Question

Q2. Fill in the blanks:
10
1.
is the source of heat and light.
2.
and are present in the nucleus of an ato
3. Photosynthesis is thermic reaction.
4.
is used to see a cell.
5. Purity of gold is expressed in terms of
6. Sodium metal is kept in​

Answer 1

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• ENERGY
• ELECTRON
• THERMIC
• MICROSCOPE
• KG
• CONTAINERS

Answer 2

Answer:

1. sun is the source of heat and light.

2. nucleoplasm are present in nucleus of an atom and its own DNA are also present in nucleus.

4. compound microscope is used to see cell

6. sodium is so reactive matter is it is kept in kerosene