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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
Correct the following:
A reddish brown precipitate is obtained when ammonium hydroxide is added to ferrous sulphate.
Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.
Give balanced equations for the following conversion:
Ammonia to brown gas.
Name a white salt produced by an acid gas and a basic gas.
Write the equation for the action of heat on ammonium chloride.
State whether the reaction is an example of thermal decomposition or thermal dissociation.
Give balanced reactions for the following conversion:
Ammonia to nitrogen using copper oxide.
Give reasons:
Ammonium compounds do not occur as minerals.
Ammonia is manufactured by Haber Process.
How can this percentage formation be increased?
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.
