Chemistry

Sodium is kept in which of the following liquid?

• Milk

• Water

• Kerosene

• All of the above

The chemical name of vitamin A is

• Ascorbic acid

• Thiamine

• Retinol

• None of the above

• All of the above

Which of the following is a greenhouse gas?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium

What is the chemical symbol for gold?

• Au

• Ag

• Fe

• Cu

Which planet is known as the Red Planet?

• Venus

• Mars

• Jupiter

• Saturn

Bonding in diamond is

• covalent

• ionic

• dipole

• metallic

Ionic Solids Have

• a low melting point

• a moderate melting point

• a high melting point

• none of these

The bond between ice molecules is

• ionic

• covalent

• a hydrogen

• metallic