Question

Which of the following substances are gases?A.) KIB.) NaNO3C.) S02D.) NaCI

Answer 1

1) Look for the compounds in the picture.

The right side says that gases are represented by a dashed line and solids by a continuous line.

KI: continuous line = solid

NaNO3: continuous line = solid

SO2: dashed line = gas

NaCI: continuous line = solid