CBSE VII Science Acids, Bases and Salts
most acids are not stored in metal container ?
Asked by arajeevshashank
9th February 2018
9:21 AM
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CBSE VII Science Acids, Bases and Salts
curd should not be kept in brass or metal container.
Asked by arajeevshashank
9th February 2018
11:02 AM
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CBSE X Chemistry Metals and Non Metals
Balance the equation Zn+HNO3=Zn(NO3)2+H2O+N2O
Asked by sheebamainson69
17th February 2018
6:30 PM
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CBSE VIII Science Materials: Metals and Non Metals
why do we not store lemon pickles in aluminum utensils
Asked by tikilisundaray76
19th February 2018
12:15 PM
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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
Asked by Adarsh Anil
17th March 2018
10:15 AM
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NEET1 NEET1 Chemistry
the following equations is not correctly formulated 3Zn+8HNO3(dilute)→3Zn(NO3)2+2NO+4H2O explain why.
Asked by imtiyazmulla68
2nd May 2018
4:43 PM
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CBSE X Chemistry Acids, Bases and Salts
equal length of mg ribbon is taken in test tube a and b.if hcl is added to test tube a and ch3cooh in test tube b in equal amount and conc.in which one will the freeezing occur more and why
Asked by Debdulal
17th June 2018
2:25 PM
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CBSE VII Science Acids, Bases and Salts
why curd not store in metal container?
Asked by meerapal212404
4th August 2018
8:38 PM
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CBSE X Chemistry Acids, Bases and Salts
In the reaction zinc replaces sodium , but as per the reactivity series it is not possible.So is this reaction correct? If not then what must be the correct reaction??
Asked by guptaabhinav0809
6th September 2018
8:56 PM
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ICSE IX Chemistry Study of First Element - Hydrogen
Hydrogen can be prepared with the metal zinc by using a.acid b.alkali c.water
Asked by nareshkumar5862
10th October 2018
8:37 PM
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ICSE IX Chemistry Chemical Changes and Reactions
Amongest the metals: iron, magnesium, zinc and aluminium, which reacts 1. Fastest with dilute sulphuric acid 2. Slowest with dilute sulphuric acid. Also, write fully balanced chemical equation.
Asked by iqbalpreet9875
15th October 2018
6:56 PM
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CBSE VII Science Acids, Bases and Salts
why are most acids are not strored in metal container
Asked by anchalorissa
19th November 2018
8:09 PM
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CBSE VIII Science Materials: Metals and Non Metals
If dilute sulfuric acid is poured on a copper plate
Asked by Shashanktripathi29.06.2006
29th May 2019
7:10 AM
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CBSE X Chemistry Chemical Reactions and Equations
on heating green coloured ferous sulphate crystal reddish brown solid is left and smell of a gas having odour of burning sulphur is absorbed ? why is the amount of a gas collected in one of the test tube in activity 1.7 double of the amount collected in other. name these gases? give five example of ridox reaction? during the reaction of some metal with dilute hydrochloride following observations were make: the temperature of the reaction rises when aluminium is added. the reaction of sodium metal is found to be highly explosive. some bubbles of a gas are seen when lead is reacted with the acid
Asked by himanshitanda2605
30th May 2019
1:21 PM
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CBSE VIII Science Materials: Metals and Non Metals
Explain the reactions of metals and nonmetals with acids, air and water
Asked by malar0206
14th September 2019
10:07 PM
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CBSE X Chemistry Metals and Non Metals
which gas is evolved when sodium reats with hcl
Asked by sonaliagarwal172
16th May 2020
10:16 AM
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CBSE X Chemistry Acids, Bases and Salts
Solve it
Asked by piyushrajput.ksj40
14th December 2020
10:36 AM
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CBSE X Chemistry Acids, Bases and Salts
1.with the help of an activity explain how metal reacts with acid draw diagram? 2. define organic acids and name the source of the following acid,lactic acid, tartaric acid,malic and acetic acids..?
Asked by bhavikabhatia1125
3rd July 2021
12:16 PM
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CBSE X Chemistry Chemical Reactions and Equations
when metals react with nitric acid then this gas is produced
Asked by nehashekh291
2nd January 2023
7:26 PM
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