What are the material / substances required to produce hydrogen gas in your lab ? Write the process

Write two required substances to ·get hydrogen gas in your lab ?

What are the materials required to prepare biriyani?

What are the materials required to prove that Faraday's law?

What are the material required to produce a rainbow in your laboratory?

What are the substances required to perform a neutralization reaction ?

What are the materials required to prepare and test the hydrogen gas in the lab by using acid and metal ? Where do you observe the evolved hydrogen gas ?

What are the three essential requirements for producing fire?

Which apparatus is required to test hydrogen gas?

Write the materials required and procedure to make your own cell.