CBSE X Chemistry Acids, Bases and Salts
Acids Bases And Salts.
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14th March 2008
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CBSE X Chemistry Acids, Bases and Salts
what is the correct difinition of : acid,base,salt?
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1st April 2008
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CBSE X Chemistry Acids, Bases and Salts
What is soap? Why are soaps not suitable for washing clothes when water is hard?
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2nd January 2018
4:42 PM
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ICSE X Chemistry Laboratory Preparation of Salts
A orange gas which when heated forms a green coloured compound which is the orange gas
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18th February 2018
5:48 AM
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ICSE X Chemistry Study of Acids, Bases and Salts
1.the salt which turns blue litmus red in aqueous solution 2. the element reacts with both acids and alkalis to liberate hydrogen
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17th March 2018
10:15 AM
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ICSE X Chemistry Laboratory Preparation of Salts
Circled one
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18th March 2018
4:26 PM
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ICSE X Chemistry Laboratory Preparation of Salts
No 3
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18th March 2018
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ICSE X Chemistry Study of Acids, Bases and Salts
B part
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18th March 2018
4:30 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
3rd part
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18th March 2018
4:43 PM
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CBSE X Chemistry Acids, Bases and Salts
mention the colour of FeSO4.7H2O crystals. How does this colour change upon heating. Give balanced chemical equation for the change
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11th September 2018
2:26 PM
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CBSE X Chemistry Acids, Bases and Salts
why sodium hydrogen carbonate is called a basic salt
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12th September 2018
2:26 PM
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ICSE VIII Chemistry Acids, Bases and Salts
acid base and salts notes please someone provide me
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16th October 2018
8:40 PM
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CBSE X Chemistry Acids, Bases and Salts
An organic compound A has a molecular formula C2H6O.A on addition of oxygen gives compound B which gives effervescence with baking soda.Identify A and B.Write the reaction for formation of B
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16th November 2018
9:26 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
Name the method used for the preparation of the following salts with a balanced equation: 1.Sodium nitrate 2.Iron(II)chloride 3.Lead chloride 4.Zinc sulphate 5.Sodium hydorgen sulphate
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28th January 2019
12:16 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
For each of the salts A to E,suggest a suitable method for its preparation:(along with relevant balanced equations) 1.A is an insoluble salt 2.B is a soluble salt of copper 3.C is a soluble salt of zinc 4.D is a soluble salt of calcium 5.E is a sodium salt
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28th January 2019
12:18 PM
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ICSE X Chemistry Sulphuric Acid
Name the salts of : 1.Sulphuric acid 2.Sulphurous acid
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29th January 2019
1:00 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
Name a base which reacts with hydrochloric acid to give a salt which on hydrolysis gives a slightly acidic solution.
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2nd February 2019
12:38 PM
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ICSE X Chemistry Metal - Non Metal
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution which is soluble in ammonium hydroxide solution. Identify the salt.
Asked by g.shantanu15
9th February 2019
8:13 PM
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CBSE X Chemistry Acids, Bases and Salts
What is the Change in red litmus when dipped in sodium sulphate give reason
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12th March 2019
7:49 AM
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ICSE X Biology Aids to Health
Why is salt added to meat? Please explain properly.
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23rd March 2019
1:43 PM
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CBSE XI Science Chemistry Equilibrium
pl experts ans as soon as possible
Asked by jain.pradeep
14th April 2019
12:34 AM
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CBSE X Chemistry Acids, Bases and Salts
A solution of substance 'x' is used for white washing. Name the substance 'x' and write it's formula? Write the equation of substance 'x' named in above with water?
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14th May 2019
1:08 PM
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ICSE X Chemistry Acids, Bases and Salts
Why are some salts called hydrated salts? Write examples with chemical formula.
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15th May 2019
12:31 PM
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CBSE X Chemistry Acids, Bases and Salts
What is the colour of ferrous sulphate
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2nd June 2019
9:39 PM
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CBSE VII Science Acids, Bases and Salts
Which subs tance di not change colour with acid &bases
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4th August 2019
10:05 AM
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CBSE X Chemistry Acids, Bases and Salts
Differntiate between acids basics and salts.
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22nd August 2019
8:08 PM
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CBSE X Chemistry Acids, Bases and Salts
Salts can be acidic neutral or basic depending on the strength of the acid or base. strong acid + strong base -> neutral salt + water Strong acid + weak base -> acidic salt plus water Weak acid + strong base -> basic salt + water
Asked by rath.ishan
23rd August 2019
12:00 PM
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CBSE VII Science Acids, Bases and Salts
What is salt
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23rd August 2019
6:13 PM
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ICSE VI Chemistry Elements, Compounds and Mixtures
How will you separate the a mixture of iodine, iron filings and salt?
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9th September 2019
7:18 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
a decahydrated crystalline salt
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19th December 2019
6:18 PM
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CBSE X Chemistry Acids, Bases and Salts
is the common salt used in our homes purely sodium chloride or does it contain any impurities?
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16th March 2020
5:20 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
match the following- 1. acid salt a. alum 2. normal salt b. sodium carbonate 3. mixed salt c. sodium potassium carbonate 4. complex salt d. sodium hydrogen carbonate 5. double salt e. sodium zincate
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25th March 2020
12:57 AM
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ICSE X Chemistry Study of Acids, Bases and Salts
is PbHCO3 a soluble or insoluble salt?
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26th March 2020
12:56 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
do only soluble salts crystallize on cooling after heating, or even insoluble salts crystallize?
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26th March 2020
4:17 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
How would you prepare: (a) copper sulphate crystals from a mixture of charcoal and black copper oxide
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28th March 2020
1:52 PM
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ICSE X Chemistry Study of Acids, Bases and Salts
does lead oxide react with dilute sulphuric acid to give lead sulphate?
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30th March 2020
2:11 PM
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ICSE VIII Chemistry Water
how the sea water can become salty
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25th April 2020
2:18 PM
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CBSE X Chemistry Acids, Bases and Salts
Diffrentiate between the following: a) A hydrated and an anyhydrous salt. b) Washing soda and soda ash c) Baking soda and baking powder
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28th April 2020
7:40 AM
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CBSE X Chemistry Chemical Reactions and Equations
How can we identify compounds (salts or gases) based on their change in colour or smell?
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12th May 2020
11:40 AM
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CBSE X Chemistry Acids, Bases and Salts
What do you mean by crystalline nature of salts?
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24th May 2020
3:07 PM
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ICSE VII Chemistry Acid, Base and Salt
Can we eat body Salt
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4th June 2020
4:13 PM
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CBSE X Chemistry Acids, Bases and Salts
Q. 15. A white powder is added while baking breads and cakes to make them soft and fluffy. Write the name of the powder. Name its main ingredients. Explain the function of each ingredient. Write the chemical reaction taking place when the powder is heated during baking. Ans. Baking powder. ½ Baking soda and tartaric acid. ½ + ½ On heating or mixing with water, sodium bicarbonate reacts with hydrogen ion from acid and releases CO2 that makes the cake soft and fluffy. 1 Tartaric acid is used to avoid the bitter taste by reacting with Na2CO3 formed. 2NaHCO3 + H+ Heat → Fr om acid Na2CO3 + H2O +co2 Q. 17. The pH of salt used to make tasty and crispy pakoras is 14. Identify the salt and write a chemical equation for its formation. List its two uses. Ans. NaHCO3 (Sodium Hydrogen Carbonate/ Sodium bicarbonate) NaCl + H2O + CO2 + NH3 → NH4Cl + NaHCO3 why different salts are used for the same purposes?
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6th June 2020
7:39 AM
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CBSE IX Chemistry Matter in Our Surroundings
what happens when salt is added to water?
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12th June 2020
11:51 AM
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CBSE XI Science Chemistry Equilibrium
In this question,Nacl precipitate(13.6g) should also be formed along with caso4(20.4g),so the answer should be 13.6+20.4=34g Then why is the answer 20.4g?please explain.
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14th June 2020
12:37 PM
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CBSE X History Nationalism in India
why did the mahatma gandhi find salt a powerful symbol that could unite the entire nation?
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22nd June 2020
8:22 AM
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ICSE X
a yellow solution of a salt yields reddish brown precipitate with caustic soda solution .the precipitate does not dissolve in excess of the alkali. the reddish brown precipitate on strong heating leaves behind a red powder, insoluble in water but soluble in dilute HCl . (1)-identify the metal of the salt (2)- write the equation of the reaction involved , assuming the salt to be a sulphate salt.
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18th July 2020
4:38 PM
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CBSE XI Science Chemistry Equilibrium
Why KCl is neutral to litmus ??
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10th August 2020
1:58 PM
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CBSE X Science Acids, Bases and Salts
what is acid base and salt
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2nd October 2020
10:37 PM
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ICSE IX Chemistry Chemical Changes and Reactions
name a salt which has zinc in its anion part
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4th February 2021
11:05 AM
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CBSE XII Science Chemistry The Solid State
why does salt appear yellow in colour when Na vapours are passed over it ?
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12th February 2021
12:10 PM
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CBSE VIII Science Materials: Metals and Non Metals
why copper cannot displace zinc from its salt solution
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29th May 2021
7:11 AM
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CBSE XII Science Chemistry Electrochemistry
hydrolysis formula of weak base and strong acid
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30th July 2021
8:53 PM
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CBSE VII Science Water : A Precious Resource
Why is density of seawater more than that of the rain water
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18th October 2021
10:43 AM
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CBSE X Chemistry Acids, Bases and Salts
give a way to predict the parent acid and parent base of any salt, respond soon,
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23rd November 2021
12:29 AM
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CBSE X Science Acids, Bases and Salts
what are the important diagrams in acids base and salts lesson
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4th September 2023
4:46 PM
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