State which of the following is a common characteristic of a covalent compound. A. High melting point B. Consists of molecule C. Always soluble in water D. Conducts electricity when it is the moltern state.

Choose the correct answer from the options given below: Which of the following is a common characteristic of a covalent compound?

State which is not a typical property of an ionic compound. A: high m.p. B: Conducts electricity in moltern & in the aq. Soln. state. C : Are insoluble in water. D: Exist as oppositely charged ions even in the solid state.

Identify the type of cyrstalline solid based on the following properties : (a) Conducts electricity in the molten state but in the solid state. (b) Very hard with melting point and acts as electrical insulator. (c) Conducts electricity in the solid state, malleable and ductile.

An element combines with oxygen to give a compound with a high melting point. The compound is also soluble in water. The element is likely to be

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following are not characteristic properties of interstitial compounds? I. They have high melting points in comparison to pure metals. II. They are very hard. III.They retain there metallic conductivity IV. They are chemically reactive

Explain the following: HCl is a covalent compound still it conducts electricity in its aqueous state.

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic properties of interstitial compounds? I. They have high melting points in comparison to pure metals. II. They are very hard. III. They retain metallic conductivity. IV. They are chemically very reactive.

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following are the characteristic properties of interstitial compounds? I. They have high melting points in comparison to pure metals. II. They are very hard. III. They retain metallic conductivity. IV. They are chemically very reactive.

State, whether the following statements are true of false. a - c gt b -d , then a + d gt b + c

Give reasons for the following: Electrovalent & polar covalent compounds conduct electricity in aqueous solution state