General Science – Exercise – 1

31. Sodium metal is kept under

(a) petrol
(b) alcohol
(c) water
(d) kerosene

Answer
Answer : (d)
Explanation
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32. Bromine is a

(a) black solid
(b) red liquid
(c) colourless gas
(d) highly inflammable gas

Answer
Answer : (b)
Explanation
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33. Which of the following is an element?

(a) Ruby
(b) Sapphire
(c) Emerald
(d) Diamond

Answer
Answer : (d)
Explanation
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34. Most soluble in water is

(a) camphor
(b) sulphur
(c) common salt
(d) sugar

Answer
Answer : (d)
Explanation
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35. Which of the following does not contain a coinage metal?

(a) Silver and Gold
(b) Zinc and Gold
(c) Copper and Silver
(d) Copper and Gold

Answer
Answer : (b)
Explanation
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