Which one of the following is available in three states? |
|||
(a) |
petrol |
(b) |
Water |
(c) |
Milk |
(d) |
Kerosene |
Which one of the following is available in three states? |
|||
(a) |
petrol |
(b) |
Water |
(c) |
Milk |
(d) |
Kerosene |