Module 4 and 5 Review Class

Which of the following is the correct name for the chemical symbol "Na"?

• a) Sodium

• b) Nitrogen

• c) Nickel

• d) Neon

What is the name of the compound with the formula "H2O"?

Which state of matter has a fixed shape and volume?

• a) Gas

• b) Liquid

• c) Solid

• d) Plasma

Fractionated distillation is used to separate liquids based on:

• a) Density

• b) Color

• c) Freezing point

• d) Boiling point

What is the chemical formula for Calcium Chloride?

• a) CaCl

• b) CaCl2

• c) Ca2Cl

• d) Ca2Cl3

What is the state of Helium at room temperature (21°C) if the melting point is -272°C and the boiling point is -268°C?

• a) Solid

• b) Liquid

• c) Gas

True or False: In simple distillation, only one component of the mixture evaporates.

• True

• False

What is the name of the compound with the formula "NaCl"?

• a) Sodium chloride

• b) Nitric acid

• c) Nitrogen chloride

• d) Sodium cyanide

What is the state of Phosphorus at room temperature (21°C) if the melting point is 44°C and the boiling point is 280°C?

• a) Solid

• b) Liquid

• c) Gas

True or False: Fractional distillation can separate liquids with similar boiling points.

• True

• False