Q1. Which planet is called the Ignig Star (evening star)?
Ans = Venus Planet
Q9. Which planet is called Red Star?
Ans = Mars
Q10. Why is the leaf of the leaf fall green?
Ans = Causes of Chlorophyll
Q11. What is the total number of man in the human body?
Ans = (206) and child in 300
Q12. Which fire does not burn in the fire?
Ans = asbestos
Q13. What is the most hard metal?
Ans = Diamond.
Q14. Which water burns in water?
Ans = Sodium
Q15. Which is the most poisonous substance?
Ans = radium
Q16. Which metals are made of brass?
Ans = copper and zinc
Q17. Which metals are made of magnet?
Ans = Aluminum and Nickel
Q18. Which gas burns in the air?
Ans = carbon monoxide
Q19. What is the gas in the atmosphere?
Ans = chlorine
Q20. Which substance which only in our country
is found ?
Ans = Asbestos
Q21. Why does ice float in the water?
Ans = Its gravity / density is by gravity / density of water
Is less!
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