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Alkali and Bases

Which of the ...

Question

Which of the given substances is not basic in nature?

A

Soap

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B

Lemon

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C

Baking soda

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D

Toothpaste

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Solution

The correct option is B Lemon
Lemon tastes sour therefore is acidic in nature.
Cleaning agents such as soaps, detergents and shampoos contain sodium hydroxide. Sodium hydroxide is a base and it gives them a bitter taste and slippery touch.
Toothpaste contains sodium carbonate which is basic in nature.
Baking soda, also known as bicarbonate of soda or sodium bicarbonate is also basic in nature.

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