Question

Correct the statement :

1. Hydrogen is used as a fuel for Rocket Propulsion.

2. All metals react with acids to give Hydrogen

3. Metals adsorb Hydrogen.

4. Very dil. Nitric acid reacts with Zinc to Produce Hydrogen.

5. Conc. Sulphuric acid reacts with Zinc to liberate Hydrogen.



Please try to answer correctly....
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Answer 1

Answer:

1) true

2) true

3)true

4) true

5) true.

Answer 2

Answer:

helium is used as a rocket fuel

all metals react with bases to give oxygen

metals absorb oxygen

nitric acid reacts with zinc to produce oxygen

sulphuric Acid reacts with zinc liberate oxygen