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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?
Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.
Give balanced equations for the following conversion:
Ammonia to brown gas.
Complete the following equation.
Mg3N2 + 6H2O →
Ammonia is a good refrigerant but it shows some disadvantages when used as refrigerant. State the disadvantages.
Explain the following:
Ammonia cannot be collected over water.
Ammonia can be obtained by adding water to ______.
Name the other ion formed when ammonia dissolves in water.
