State true or false. If false, give the correct statement. NaCI represents one molecule of sodium chloride.

State true or false. If false, give the correct statement. Water is denser than kerosene.

State true or false. If false, give the correct statement. Argon is mono atomic gas.

State true or false. If false, give the correct statement. A ball of iron floats in mercury.

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

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

True or False. If false give the correct statement. Plants cause soil erosion.

State true or false. If false, give the correct statement. Neptune is 30 AU away from sun.

State true or false. If false, give the correct statement. Compounds and elements are pure substances.

State true or false. If false, give the correct statement. Density of water is 100kg//m^3 .

State true or false. If false, give the correct statement. The nearest star to our solar system is proxima centaurai.