The test for oxygen uses a glowing splint put into a test tube of the gas. Which words complete the sentence correctly? In oxygen, the splint ...
burns rapidly with a pop sound.
relights and burns brightly.
is bleached and turns white.
goes out and starts smoking.
40 exam-style questions on AQA GCSE Chemistry 8.2 Identification of common gases, covering 8.2.1 Test for hydrogen, 8.2.2 Test for oxygen, 8.2.3 Test for carbon dioxide, and 8.2.4 Test for chlorine. Each one has a worked solution and a mark scheme showing where the marks go.