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1. The number of molecules contained in 1 mole of gases is called?
Answer :- Avogadro number
2. Water gas is a mixture of?
Answer :- Carbon monoxide and Hydrogen
3. What is Red Led?
Answer :- Triplumbic tetroxide
4. Balmer's series in emission spectrum of hydrogen atom lie in the?
Answer :- Visible region
5. The central most spare of tooth contains?
Answer :- Pulp
6. The organ that regulates the body temperature in human being?
Answer :- Skin
7. Which was the first subatomic particle discovered?
Answer :- Electron
8. Which theory is used for explaining the changes in reaction rate?
Answer :- Collision theory
9. Feron gas is used in?
Answer :- Refrigerators
10. Heat produced on account of friction is transferred by?
Answer :- Conduction
11. Name the world's first dedicated education stellite launched by India?
Answer :- Edusat
12. The number of vertebra in the vertebral column of man is?
Answer :- 33
13. Bunchy top disease is caused by?
Answer :- Virus
14. Monocarpic plant which shows flowering once in 12 years?
Answer :- Bamboo
15. The principal metal used in manufacturing steel is?
Answer :- Iron
16. Optical fibre works on the?
Answer :- total internal reflection
17. Chemically heavy water is?
Answer :- Deuterium oxide
18. Reo viruses are ?
Answer :- Double standard RNA viruses
19. Chemically respiration is?
Answer :- Oxidation reaction
20. National Science Day is observed on February 28 to commemorate?
Answer :- Raman's effect Day
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Answer :- Avogadro number
2. Water gas is a mixture of?
Answer :- Carbon monoxide and Hydrogen
3. What is Red Led?
Answer :- Triplumbic tetroxide
4. Balmer's series in emission spectrum of hydrogen atom lie in the?
Answer :- Visible region
5. The central most spare of tooth contains?
Answer :- Pulp
6. The organ that regulates the body temperature in human being?
Answer :- Skin
7. Which was the first subatomic particle discovered?
Answer :- Electron
8. Which theory is used for explaining the changes in reaction rate?
Answer :- Collision theory
9. Feron gas is used in?
Answer :- Refrigerators
10. Heat produced on account of friction is transferred by?
Answer :- Conduction
11. Name the world's first dedicated education stellite launched by India?
Answer :- Edusat
12. The number of vertebra in the vertebral column of man is?
Answer :- 33
13. Bunchy top disease is caused by?
Answer :- Virus
14. Monocarpic plant which shows flowering once in 12 years?
Answer :- Bamboo
15. The principal metal used in manufacturing steel is?
Answer :- Iron
16. Optical fibre works on the?
Answer :- total internal reflection
17. Chemically heavy water is?
Answer :- Deuterium oxide
18. Reo viruses are ?
Answer :- Double standard RNA viruses
19. Chemically respiration is?
Answer :- Oxidation reaction
20. National Science Day is observed on February 28 to commemorate?
Answer :- Raman's effect Day
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