Question

Which of the following is a chemical property of chlorine?

Select one:

a. Chlorine combines with sodium to form sodium chloride.

b. Chlorine is a gas.

c. Chlorine has a low density.

d. Chlorine is yellow-green.

Gases are incompressible.

Select one:

True

False

Which of the following is true of matter/

Select one:

a. Matter is a form of energy.

b. Matter occupies space.

c. Matter is always visible.

d. Matter is smooth and continuous.

Which of the following is an example of a chemical change?

Select one:

a. A paper clip is unfolded.

b. A lump of coal is crushed.

c. Water freezes.

d. Copper oxidizes.

Calculate the amount of heat required to raise the temperature of 16.0 grams of copper from 25.2^oC to 50.0^oC. The specific heat capacity of copper is 0.385 J/g^oC. (h = s x mΔT)

Select one:

a. 1031 J

b. 153 J

c. 24.8 J

d. 333 J

Answer 1

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