Caustic soda is the common name for:

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M g (O H) 2

K O H

C a (O H) 2

N a O H

answer is D.

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Detailed Solution

Concept- Soda, lye, or caustic soda are all names for sodium hydroxide. The compound of sodium hydroxide is a white crystalline odourless substance that absorbs the moisture from the air at ambient temperature.
It is mostly used in the production of pulp and paper, as well as soap and detergents. Other uses include water treatment, food, and textiles. The caustic soda is the chemical compound sodium hydroxide (NaOH). This is an alkali. This means a type of base that can neutralize acids and is soluble in water. Currently, the caustic soda can be manufactured in several forms such as pellets, flakes, powders and solutions.
Hence, the correct option is 4.

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