Question

True (or) false

5 * 2 = 10

Part - B

Semiconductor is substance which act as has conductor at high temperature and as good conductor at low temperature.

Smallest unit of a substance

Atoms of the same kind

Tabulate the differences between metal and non-metal

Carbohydrate compound contains carbon hydrogen and oxygen

10. Molecule Building block of matter

Define Alchemy

Answer briefly

IV. Match the following

9 Element

11.

V.

8. Atom

7.

6.​

Answer 1

Answer:

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Answer 2

Answer:

Metals usually do not combine with hydrogen. Only a few reactive metals combine with hydrogen to form ionic metal hydrides. Non- metals react with hydrogen to form stable, covalent hydrides.

4 more rows

Alchemy is defined as the process of taking something ordinary and turning it into something extraordinary, sometimes in a way that cannot be explained. An example of using alchemy is a person who takes a pile of scrap metal and turns it into beautiful art.

Explanation:

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