Q: Which of the following are the characteristics of covalent compounds? 1. They are mostly gases and liquids. 2. They are usually electric insulators. 3. They are directional in nature. 4. They are insoluble in polar solvents like water but are soluble in non-polar solvents.
(a)1, 2 and 3 only
(b)1, 2 and 4 only
(c)1, 3 and 4 only
(d)1, 2, 3 and 4
Correct Answer: (d)
The correct answer is (d) '1, 2, 3 and 4'. This question from the Geography domain tests knowledge of Atmosphere & Climatology.