Read the list of common household substances. antacid, orange juice, toothpaste, yogurt which of these substances are likely to have a sour taste? a. antacid, yogurt b. antacid, toothpaste c. orange juice, yogurt d. orange juice, toothpaste

Answer : The correct options is, (C) Orange juice, yogurt.

Explanation :

Acid : It is a substance that has ability of donating proton or hydrogen ion, .

The properties of an acid are :

Base : It is a substance that has ability of donating hydroxide ion, .

The properties of an base are :

As we know that,

Antacid : It is a base that is used for the neutralization of stomach acidity. So, it is bitter in taste.

Orange juice : It is an acid in which citrus acid present in it. So, it is sour in taste.

Toothpaste : It is a base that is used for cleaning teeth. So, it is bitter in taste.

Yogurt : It is an acid in which lactic acid present in it. So, it is sour in taste.

Hence, the substance likely to have a sour taste are orange juice, yogurt.

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