A vendor sells table salt mixed with white stone powder. Which of these properties will help you detect this malpractice?

Transparency

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Lustre

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Solubility

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Hardness

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Solution

The correct option is C Solubility
The vendor's malpractice can be detected by using the solubility of table salt and stone powder in water. Solubility is the ability of a substance to get dissolved in another substance.

The stone powder is insoluble in water, whereas table salt is soluble in water. Therefore, when a mixture of table salt and stone powder is added to water, the table salt will dissolve in water, whereas the stone powder being insoluble in water will settle down at the bottom.

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Question 22
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?

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