CBSE XII Science Chemistry The p-Block Elements
Assertion :- NCl3 and Mg3N2 both on hydrolysis produce same colourless basic gas. Reason :- During hydrolysis, the nucleohile OH– will always attack on the central atom.
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21st May 2018
10:45 PM
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CBSE XII Science Chemistry The p-Block Elements
NH3 is dride by
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22nd May 2018
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CBSE XII Science Chemistry The p-Block Elements
mention the conditions required to maximise the yield of ammonia (group 15)
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16th July 2018
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ICSE VIII Chemistry Chemical Reactions
Which compound is formed when hydrogen combines with nitrogen
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11th December 2018
4:09 PM
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ICSE IX Chemistry Chemical Changes and Reactions
What do you observe when Lead Nitrate crystals are strongly heated Name the gas evolved when nitrogen combines with hydrogen Write a balanced chemical equation for addition of zinc to sodium hydroxide solution Name the industrial method for preparation of hydrogen gas and name the catalyst used in above process Distinguish between the following pairs of substances on the basis of chemical tests given in the brackets. : sodium chloride and potassium. chloride(flame test) : zinc carbonate and lead carbonate(dry heatingg 6. Calculate the volume of gas X at STP if it occupies 380 litres. at 300 Kelvin and 70 cm of. Mercury 7. A gas occupies 17 at 27 degree Celsius what volume will it occupy at 273 degree Celsius pressure remaining constant. 8. Calculate the relative molecular mass of each of the following (1.) ammonium dichromate (2.) hydrated copper sulphate 9. Calculate the percentage of Nitrogen in Ammonium Nitrate
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3rd February 2019
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CBSE XI Science Chemistry The p-Block Elements
plzzzz solve
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16th March 2019
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
Pls solve it.
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1st May 2019
10:45 PM
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CBSE XI Science Chemistry Some Basic Concepts of Chemistry
N2 +3H2=2NH3 In the above reaction,what is the equivalent weight of NH3 and H2 and N2?
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19th May 2019
11:59 PM
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NEET NEET Chemistry p-Block Elements
⭕ Explain each option properly...how to identify. (Ignore pen marks)
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12th April 2020
3:37 AM
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ICSE X Chemistry
Can silica gel (Sio) in drying the ammonia gas prepared ?
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25th May 2020
11:16 AM
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ICSE X Chemistry Study of Compounds - Ammonia and Nitric Acid
Why only Molybdenum is used as a promotor in Haber's process?
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27th May 2020
10:01 PM
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ICSE X Chemistry
State a relevant reason for the following: Ammonia gas is not collected over water.
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20th March 2023
3:11 PM
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ICSE X Chemistry Study of Compounds - Ammonia and Nitric Acid
In the formation of ammonia, does iron hasten the process or slow down the process
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25th October 2023
11:07 AM
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ICSE X Chemistry Study of Compounds - Ammonia and Nitric Acid
नाइट्रोजन हाइड्रोजन गैस से संयोग करके अमोनिया बनाए
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1st April 2024
8:36 PM
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