State whether the following statements are True or False.i. Corrosio

1.	State whether the following statements are True or False.i. Corrosion of metals can be stopped by detaching the air from metals.ii. Due to corrosion a greenish layer forms on the surface of copper or brass vessel.iii. Ionic compounds are soluble in kerosene.iv. Ionic compounds in the solid state conduct electricity.v. Mercury, silver and gold are very reactive metals.
Answer» i. True. ii. True. iii. False. (Ionic compounds are soluble in water and insoluble in kerosene.) iv. False. (Ionic compounds in the solid state do not conduct electricity.) v. False. (Mercury, silver and gold are least reactive metals.)

State whether the following statements are True or False.i. Corrosion of metals can be stopped by detaching the air from metals.ii. Due to corrosion a greenish layer forms on the surface of copper or brass vessel.iii. Ionic compounds are soluble in kerosene.iv. Ionic compounds in the solid state conduct electricity.v. Mercury, silver and gold are very reactive metals.

Answer»

i. True.

ii. True.

iii. False.

(Ionic compounds are soluble in water and insoluble in kerosene.)

iv. False.

(Ionic compounds in the solid state do not conduct electricity.)

v. False.

(Mercury, silver and gold are least reactive metals.)