CBSE Class 10 Science 2021 Term 1 Solved Paper

Question : 5

Total: 60

Which of the options in the given table are correct?

Option	Natural Source	Acid Present
(i)	Orange	Oxalic acid
(ii)	Sour milk	Lactic acid
(iii)	Ant sting	Methanoic acid
(iv)	Tamarind	Acetic acid

(i) and (ii)
(i) and (iv)
(ii) and (iii)
(iii) and (iv)

Solution:

Explanation: Sour milk contains lactic acid and the acid present in ant sting is called methanoic acid or formic acid. Whereas, the acid present in oranges is citric acid and acid present in tamarind is tartaric acid. Thus, from the given table, the correct options are:

Option	Natural Source	Acid Present
(ii)	Sour milk	Lactic acid
(iii)	Ant sting	Methanoic acid

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