State whether the following statements are True or False.i. In elect

State whether the following statements are True or False.i. In electroplating a metal is coated with another metal using electrolysis.ii. In anodising method. the copper or aluminium article is used as anode.iii. Silver plated spoon, gold plated ornaments are the examples of alloying.iv. silver amalgam is mainly used by dentists.v. Aluminium oxide is an acidic oxide.vi. copper reacts with moist carbon form copper carbonate.vii. Corrosion is degradation of a reaction with its environment.

Answer»

i. True.

ii. True.

iii. False.

(Silver plated spoon, gold plated ornaments are the examples of electroplating)

iv. True.

v. False.

(Aluminium oxide is an amphoteric oxide.)

vi. True.

vii. True.