Question

Choose the correct alternative:
a. Classification is useful because-
i. It helps us in kitchen.
ii. It helps us in school library.
iii. It makes things look neat and tidy.
iv. It makes studying the properties of things much easier.
b. Which of these will sink in water?
i.Wood
ii. Paper
iii. Nail
iv. All of these
c. The gas which is used in photosynthesis is:
i.Oxygen
ii. Carbon dioxide
iii.both of these
iv.none of these
d. Materials which cannot be dissolved in water are called-
i. Solute
ii. Soluble
iii. Insoluble
iv. Solvent​

Answer 1

Answer:

a. iv(it makes studying the properties of things much easier)

b. iii(nail)

c. ii(carbon dioxide)

d. iii(insoluble)