Test for Hydrogen & Carbon Dioxide Flashcards

All 3 cards in this deck

What is the chemical test for hydrogen and the positive result?

Hold a lighted splint at the mouth of the tube — a squeaky pop is heard.

What is the chemical test for carbon dioxide and the positive result?

Bubble the gas through limewater — the limewater turns cloudy (milky).

True or false? A gas that turns damp blue litmus paper red has been shown to be carbon dioxide.

False. That test only shows the gas is acidic; carbon dioxide must be tested with limewater.