The formula of caustic potash is:

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None of the above

answer is C.

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Detailed Solution

Concept- Potassium hydroxide, sometimes known as caustic potash, is an inorganic chemical with the formula KOH. This is a colourless solid and a very strong base, similar to sodium hydroxide (NaOH), often known as caustic soda. Additionally, if you can't remember the name, you can infer it by looking at the following characteristics: KOH is the chemical symbol for potassium hydroxide.
It is a strong base that is also referred to as caustic potash and is available in markets in a variety of forms, such as pellets, flakes, and powders. It is utilised in a number of industrial, manufacturing, and chemical operations. In food, potassium hydroxide is used as a stabiliser, thickener, and to maintain pH. The FDA has determined that this component is safe for use as a direct ingredient in human food when a number of good manufacturing practices requirements are followed. Making soap, using it as an electrolyte in alkaline batteries, electroplating metals, using it in lithography, and using it to remove paint and varnish are some more uses for potassium hydroxide.
Hence, the correct answer is option 3).

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