Subject :NSO Class : Class 4
Read the given statements and select the option that correctly identifies them as true(T) and false (F) ones.
(i) Copper and gold are ductile materials.
(ii) Winnowing is used to separate grains from stalks by beating them.
(iii) Generally solubility of gases decreases with increase in temperature.
(iv) Oxygen gas is insoluble in water.
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | T | T | F | F |
| B | F | F | F | T |
| C | T | F | T | F |
| D | F | T | F | T |
C