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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.
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संबंधित प्रश्न
Pick the odd member from the list, giving reasons:
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?
Correct the following:
Ammonium salts, on heating, decompose to give ammonia.
Choose the correct word or phrase from the options to complete the following sentence and write balanced equation for the same.
When ammonium chloride is heated, it undergoes ______.
Write the equation for the action of heat on ammonium chloride.
State whether the reaction is an example of thermal decomposition or thermal dissociation.
Write the equation for the action of heat on ammonium nitrate.
State whether the reaction is an example of thermal decomposition or thermal dissociation.
Explain the following:
Ammonia is present in sewage water.
With reference to Haber's process for the preparation of ammonia, write the equation and the conditions required.
Ammonia is manufactured by Haber Process.
What is the function of finely divided iron?
A gas ‘P’ gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide. Give the name and formula of the gas P.
