True or False.If False,givethe correct statement: Gypsum is largely used in medical industries.

True or False. If False, give the correct statement. Air is a pure substance

True or False.If False give the correct statement: Rubber is a magnetic material.

True or False. If false ,give the correct statement : Plasmodium is a parasite.

True or False. If False, give the correct statement. Air is not compressible.

True or False.If False, give the correct statement: Expired medicines used batteries are domestic hazardous waste.

True or False.If False give the correct statement: A compass can be used to find East-West direction at any place.

True or False.If False, give the correct statement: Water present in rivers, lakes and ponds is unfit for use by human beings.

True or False.If False give the correct statement: Magnetites are artificial magnets.

True or False - if false give the correct statement : Sodium is a hard metal.

True or False - If false,give the correct statement : Milk is rich in calcium .