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प्रश्न
Write sqauential observation for effect of heat on Lead carbonate.
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उत्तर
i) A white solid turns yellow on heating.
ii) Gives off a gas which extinguishes a burning wooden splinter.
iii) Gas evolved turns lime water milky.
APPEARS IN
संबंधित प्रश्न
The following reactions are carried out:
A: \[\ce{Nitrogen + metal -> compound X}\]
B: \[\ce{X + water -> ammonia + another compound}\]
C: \[\ce{Ammonia + metal oxide -> metal + water + N2}\]
One metal that can be used for reaction A is magnesium.
- Write the formula of the compound X formed.
- Write the correctly balanced equation for reaction B where X is the compound formed.
- What property of ammonia is demonstrated by reaction C?
Copy and complete the following equations:
- \[\ce{AlN + H2O ->}\]
- \[\ce{2NH3 + 3PbO ->}\]
- \[\ce{NH3 + 3Cl2 ->}\]
- \[\ce{NH3 + CO2 ->}\]
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- Which property of ammonia is illustrated by equation (c)?
- What important fertiliser is prepared from equation (d)? State the conditions.
Correct the following:
Conc. H2SO4 is a drying agent for NH3
Distinguish between the following (using ammonia solution):
Calcium chloride and zinc chloride
Give a balanced equation for the following conversion:
Lead oxide to lead.
Write a balanced chemical equation for each of the following reactions :
Ammonium hydroxide is added to ferrous sulphate solution.
Write the equation for the action of heat on:
(i) Ammonium chloride
(ii) Ammonium nitrate
State whether each reaction is an example of thermal dissociation or thermal decomposition.
Pick the odd number out from the list, giving reasons for your answer:
Ammonia, sulphur dioxide, hydrogen chloride, carbon dioxide
Ammonia is manufactured by Haber Process.
Mention two possible ways by which ammonia produced is removed from unchanged gases.
