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• 19-01-2025
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1. Which of the following is not considered matter?

a) Air
b) Light
c) Water
d) Stone
Answer: b) Light

2. What was the classification of matter according to early Indian philosophers?

a) Solid, liquid, and gas
b) Plasma and Bose-Einstein condensate
c) Panch Tatva - air, earth, fire, sky, and water
d) Element, compound, and mixture
Answer: c) Panch Tatva - air, earth, fire, sky, and water

3. What is the SI unit of mass?

a) Gram
b) Kilogram
c) Tonne
d) Pound
Answer: