31. Sodium metal is kept under
(a) petrol
(b) alcohol
(c) water
(d) kerosene
32. Bromine is a
(a) black solid
(b) red liquid
(c) colourless gas
(d) highly inflammable gas
33. Which of the following is an element?
(a) Ruby
(b) Sapphire
(c) Emerald
(d) Diamond
34. Most soluble in water is
(a) camphor
(b) sulphur
(c) common salt
(d) sugar
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
Related Posts
General Science » Exercise - 12. The gas usually filled in the electric bulb is : (a) nitrogen (b) hydrogen (c) carbon dioxide (d) oxygen- General Science » Exercise - 130. The gas usually filled in the electric bulb is (a) nitrogen (b) hydrogen (c) carbon dioxide (d) oxygen
- General Science » Exercise - 14. Which of the gas is not known as green house gas ? (a) Methane (b) Nitrous oxide (c) Carbon dioxide (d) Hydrogen
- General Science » Exercise - 123. Which of the gas is not known as green house gas? (a) Methane (b) Nitrous oxide (c) Carbon dioxide (d) Hydrogen
- General Science » Exercise - 121. Brass gets discoloured in air because of the presence of which of the following gases in air? (a) Oxygen (b) Hydrogen sulphide (c) Carbon dioxide (d) Nitrogen