Question

How can you prepare Hydrogen in the laboratory by a simple experiment? With which test do you confirm the presence of Hydrogen?

Answer 1

1. Take a natural acid say lemon juice in six test tubes and add Copper, Zinc, Magnesium, Iron, Brass, Aluminium pieces to each one of the test tubes separately. 

2. Note the observations. 

3. Light a matchstick and introduce it into the test tubes. 

4. The gas releasing catches fire with a sound. 

5. This gas is Hydrogen. This is the test for the presence of Hydrogen.