Question

name the compound used for testing of co2 gas

Answer 1

The compound used for testing of co2 gases is Ca(OH)2.

Answer 2

i hopeit help u

Lime water is used for the detection of Carbon dioxide. Lime water is basically a calcium compound called calcium hydroxide with molecular formula Ca(OH)2. When Carbon dioxide is pass through it, it turns milky due to the formation of calcium carbonate.