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Friday, June 26, 2020

Science Test for Carbonate

Observation : A lime water form in test tube 

Aim : To show that carbon dioxide gas is produced when a metal carbonate react with acid.

Method : Two boiling tubes, delivery tube and bung, Bunsen burner, test tube rack, wooden splint, a bottle of acid, small amount of metal carbonate, test tube tongs, safety glasses 

1. Is the carbon dioxide heavier or lighter than air ? 
- carbon dioxide has a higher density it's heavier than the air
2. Why do laboratory fire extinguisher contain carbon dioxide gas?
- The carbon dioxide is also very cold as it comes out of the extinguisher, so it's cools the fuel as well.

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