Nitrogen and Its Compounds
1. Write the names of any two metals which can liberate Hydrogen gas from Nitric Acid.
2. What happens when:
a) Gas obtained
Dalton?s Atomic Theory and Laws of Stoichiometry
1. State the Law of Multiple Proportions.
2. State the law of Constant Proportion.
3. State the Law of Reciprocal
Alkali Metals:
1. What is the main product obtained when sodium is allowed to react with dry ammonia at 300°-4000°C.2. Why alkali metals cannot be obtained by
Alkaline Earth Metals
1. Name the alkaline earth metals and write their symbols also.2. Give the formulae of Bleaching powder and blue vitriol.3. Write the chemical formula and one
Environmental Pollution- Old is Gold
1. What is meant by acid rain? Give one major effect of acid rain.