The box contains the names of some substances.

dioxidewater\begin{array}{|cccc|} \hline \text{argon} & \text{carbon dioxide} & \text{copper} & \text{helium} \\ \text{magnesium} & \text{methane} & \text{sulfur dioxide} & \text{water} \\ \hline \end{array}

Choose a substance from the box that best matches each description. Each substance may be used once, more than once or not at all.

Which substance is a compound that is a liquid at standard room temperature and pressure?

Which substance is a gas that turns limewater cloudy?

Which substance is an unreactive element used to fill airships and balloons because of its low density?

Which substance is an acidic gas that contributes significantly to acid rain?

Which substance is a metal that can be extracted from its oxide by heating with carbon?

The box contains the names of some substances.

dioxidewater\begin{array}{|cccc|} \hline \text{argon} & \text{carbon dioxide} & \text{copper} & \text{helium} \\ \text{magnesium} & \text{methane} & \text{sulfur dioxide} & \text{water} \\ \hline \end{array}

Choose a substance from the box that best matches each description. Each substance may be used once, more than once or not at all.

Which substance is a compound that is a liquid at standard room temperature and pressure?

Which substance is a gas that turns limewater cloudy?

Which substance is an unreactive element used to fill airships and balloons because of its low density?

Which substance is an acidic gas that contributes significantly to acid rain?

Which substance is a metal that can be extracted from its oxide by heating with carbon?

Elements, compounds and mixtures

Elements, compounds and mixtures Questions