Essential Chemistry for IGCSE - Electricity And Chemistry (Section 4 - No. 25)

In the chlor-alkali process, which gas is a byproduct, and what is the main product?
Hydrogen, Chlorine
Chlorine, Sodium Hydroxide
Hydrogen, Sodium Hydroxide
Oxygen, Chlorine

Explanation

Hydrogen is a byproduct, and sodium hydroxide is the main product.

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