Fill up the blank with the correct choice given in bracket.
Ionic or electrovalent compounds do not conduct electricity in their state. (fused/solid)

Covalent compounds generally do not conduct electricity. Give reason.

Fill up the blank with the correct choice given in bracket. The most common ore of iron is (Calamine / haematite)

Can sodium chloride conduct electricity in the solid state ?

Fill up the table from the given choice.

Give reasons why? Ionic compounds do not conduct electric current in the solid state

Fill in the blanks from the choices given in brackets: The polar covalent compound in gaseous state that does not conduct electricity is …………...(carbon tetra chloride, ammonia, methane)

In the solid state, electrovalent compounds are poor conductor of electricity. Give reason.

Explain the following: Covalent compounds do not conduct electric current in the fused state, whereas ionic solids do.

Fill up the blank with the correct choice given in bracket. Electrolysis of aqueous sodium chloride solution will form ______ at the cathode. (hydrogen gas/sodium metal)

Do ionic solids conduct electric current in the solid state?