Multiple choice

Name the evolved gas in the given experiment.

In an experiment, a wet rocksil wool is placed at the bottom of a boiling tube, then a magnesium ribbon is inseted into the tube and heated over a burner. We can notice that a colourless gas is given out, which burns with a pop sound.

  1. Sodium hydride

  2. Magnesium hydride

  3. Hydrogen sulphide

  4. Ammonia

  5. Hydrogen

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

All the metals are sonorous as they can produce sound. But mercury and lead are the metals, which are non ductile and non sonorous.