i. Rusting of iron is a fast reaction. ii. Milk is set into curd is a chemical change.

Question

State whether the following statements are True or False:

i. Rusting of iron is a fast reaction.

ii. Milk is set into curd is a chemical change.

iii. The reaction between salt and water is an example of exothermic reaction.

iv. The speed of a chemical reaction depends on the catalyst used in the chemical reaction.

v. The simple form of representation of a chemical reaction in words is known as word reaction.

Answer 1

i. False. (Rusting of iron is a slow reaction.)

ii. True.

iii. False. (The reaction between salt and water is an example of endothermic reaction.)

iv. True.

v. True.