Tests

Question 1

How can we test for oxygen?

Answer 1

Take a glowing splint and place it in a sample of a gas. If there is oxygen present, the splint will re-ignite.

Question 2

How can we test for Chlorine gas?

Answer 2

Use damp litmus paper. The paper will soak up some of the chlorine in the gas and bleach.

Question 3

How can we test for Hydrogen gases?

Answer 3

React Magnesium with an acid and collect the gas produced in the test tube. Test the gas with a lit splint. the splint should pop.

Question 4

How can we test for Carbon Dioxide?

Answer 4

Bubble the gas through lime water. If the lime water turns cloudy, it is Carbon Dioxide.