Give the industrial preparation of formaldehyde.

Describe the industrial preparation of Aniline

Describe the industrial preparation of ethylamine

Describe the industrial preparation of hydrogen by the electrolysis of water.

In context with the industrial preparation of hydrogen from water gas (CO+H_(2)) , which of the following is the correct statement ?

Which of the following is the industrial method of preparation of acetaldehyde

Give one method for industrial preparation CO

Give one method each for industrial preparation of Ethanal

Give one method each for industrial preparation of Methanol

Give chemical equation for: The industrial preparation of methanol from water gas.

Give one method for industrial preparation and one for laboratory preparation of CO and CO_(2) each.