Science Simulations

Prepare ammonia gas by heating ammonium chloride with calcium hydroxide. Collect by downward displacement of air.

Prepare oxygen gas using hydrogen peroxide and manganese dioxide catalyst. No heat required.

Prepare hydrogen gas by reacting zinc with dilute hydrochloric acid. Collect by downward displacement of water.

Prepare carbon dioxide gas by reacting calcium carbonate with dilute hydrochloric acid. Collect by upward displacement of air.

Prepare oxygen gas by heating potassium chlorate with manganese dioxide catalyst. Collect over water.

Prepare nitrogen gas by heating ammonium chloride with sodium nitrite. Collect over water.