G-7 HYDROGEN L-1

__________ was the German physician and alchemist who observed hydrogen during the reaction of metals with acids

• Robert Hook

• Paracelsus

In which year hydrogen was discovered as a descret element

• 1766

• 1761

_______ was a fresh chemist and biologist who gave hydrogen it's name

• Antoine lavoisier

• Robert Boyle

Hydrogen gas is odourless, which of the following gases are added to provide odour to it?

• Thymine

• Mercaptans

Hydrogen occurs in free state in Earth in trace amounts

• True

• False

The apparatus used to carry out electrolysis is known as voltameter

• True

• False

Pure water can conduct electricity

• True

• False

Hydrogen is acidic in nature

• True

• False

Hydrogen has low density both as gas and liquid

• True

• False

Robert Boyle studied the reaction between ________ and dilute acids

• Iron filings

• Copper strips