Question

1. Fill in the banks with suitable words.
1. ............ is a smallest particle that takes part in chemical reaction.
2. ..... is the basic constituent of all matter.
3. Chemical substances can be broadly classified as ....... *************
and ......... substances.
4. The ....... taste of substances is because of acid present in them
5. Chemical substances which are soapy in touch are called.....​

Answer 1

Answer:

1. Elements

2. Atom

3. Acids and bases

4. Sour

5. Bases

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Answer 2

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