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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:
Finely divided platinum is used in the Haber process.
Distinguish between the following (using ammonia solution):
Calcium chloride and zinc chloride
Give a balanced equation for the following conversion:
Ammonia to nitrogen trichloride.
Give a balanced equation for the following conversion:
A nitride of a trivalent metal to ammonia.
Complete the following equation.
Mg3N2 + 6H2O →
Write the equation for the action of heat on:
Ammonium chloride
State whether the reaction is an example of thermal dissociation or thermal decomposition.
Explain the following:
Ammonia cannot be collected over water.
- Which feature of the ammonia molecule leads to the formation of the ammonium ion when ammonia dissolves in water?
- Name the other ion formed when ammonia dissolves in water.
- Give one test that can be used to detect the presence of the ion produced in (a) and (b).
Ammonia is manufactured by Haber Process.
How can this percentage formation be increased?
