Chemistry 1st Sem. Final Review C

All of the following are physical properties of matter EXCEPT ________.

• mass

• color

• metling point

• ability to rust

Which state of matter takes both the shape and volume of its container?

• solid

• liquid

• gas

• liquid and gas

All of the following are physical properties of a substance in the liquid state EXCEPT _______________.

• indefinite volume

• definite mass

• not easily compressed

• indefinite shape

Which of the following is true about homogeneous mixtures?

• They are known as solutions

• They consist of two or more phases

• They have compositions that never vary

• They are always liquids

Which of the following materials is a substance?

• air

• gasoline

• stainless steel

• silver

Which substance has a chemical symbol that is derived from a Latin name?

• Calcium

• Hydrogen

• Oxygen

• Potassium

A chemical change occurs when a piece of wood __________.

• is split

• is painted

• decays

• is cut

Which of the following is true for all chemical reactions?

• The total mass of the reactant increases.

• The total mass of the products is greater than the total mass of the reactants.

• The total mass of the products is less than the total mass of the reactants.

• The total mass of the reactants equals the total mass of the products.

Which group of measurements is the most precise? (Each group of measurements is for a different object.)

• 2g, 3g, 4g

• 2.0g, 3.0g, 4.0g

• 2g, 2.5g, 3g

• 1g, 3g, 5g

How many significant figures are in the measurement 811.40 grams?

• two

• three

• four

• five