Question

2. A compound having one lone pair of electrons is
a. water
b. methane
c. ammonia
d. carbon dioxide

3. Electrovalent compounds
a. are volatile
b. have low melting point
c. are weak electrolyte
d. exist in solid state mostly.

4. The type of bond present in hydrogen molecules is
a. lonic
b. covalent
c coordinate
d. metallic

5. The compound that contains all the three types of
bond is
a. ammonia
b. ammonium chloride
c carbon tetrachloride d. carbon dioxide​

Answer 1

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2) Ammonia.

3) volatile.

4) ionic.

5) carbon tetacholride