Sample Questions Chemistry Questions and Answers with Solution Paper

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QUES 01. Why decomposition reactions are called opposite of combination reactions? Write the equations for these reactions?

Ans.

Decomposition Reaction:- In this type of reaction, a single compound breaks down into two or more substances.

For example:

Combination Reaction:- In this type of reaction, two or more substances combine to form a single product.

For example:

QUES 02. Explain:-

(1) Oxidation

(2) Reduction

Ans.

Oxidation: The addition of oxygen to the substance or removal of hydrogen from the substance.

For example:

Reduction: The addition of hydrogen to the substance or removal of oxygen from the substance.

For example:

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