
Interpretation:
Whether chemicals and
Concept introduction:
Chemicals are substances which are artificially prepared. Chemical reactions are chemical changes in which new substances are generated.

Answer to Problem 2E
Chemicals and chemical reactions are important for life.
Explanation of Solution
For our daily living onerequired various materials which are not obtained from nature. Even if it is obatined from nature the amount is very less which cannot meet the daily need of huge population. That’s why chemical synthesis is necessary. For example,the medicines, soaps, cosmetics, dress materials, foods, etc. are made by chemical synthesis.
Chemicals and chemical reactions are important for life.
Chapter U4 Solutions
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