Question

Write the physical and chemical properties and reactions and uses of silver and hydrogen?

Answer 1

Answer:

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At standard temperature and pressure, hydrogen is a nontoxic, nonmetallic, odorless, tasteless, colorless, and highly combustible diatomic gas with the molecular formula H2. Hydrogen is also prevalent on Earth in the form of chemical compounds such as hydrocarbons and water..

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Answer 2

Answer:

Physical properties of oxygen:-

1) Oxygen gas is colourless, odourless, and tasteless.

2) It exist in all the three forms solid. liquid and gas.

3) In elemental form it is cubic crystal.

Uses of  oxygen:-

1) Used in medicine for treating respiratory disease.

2) Animals and humans utilize atmospheric oxygen for oxidation of food for generating energy.

3) Used in submarines, high flying-aircraft etc.

Explanation: