State whether the following statement is true or false:
Milk is a pure substance .

State whether the following statement are True or False : Milk is a colloid.

State whether the following statements are true or false : Indicator is a substance which shows different colours in acidic and basic solutions.

State whether the following statements are true or false: Yarn is made from fibres.

State whether the following statements are true or false: Iron and rust are the same substances.

State whether the following statements are true or false. Milk is set into curd is a chemical change.

State whether the following statements are True or false: Latex of rubber is useful substance for the plants.

State whether the following statement is true or false : Rubber is a magnetic material.

State whether the following statements are true or false: Work is a vector quantity.