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A container contains 20 L mixture in whi...

A container contains 20 L mixture in which there is 10% sulphuric acid. Find the quantity of sulphuric acid to be added in it to make the solution to contain 25% sulphuric acid.
एक कंटेनर में 20L मिश्रण होता है जिसमें 10% सल्फ्यूरिक एसिड होता है। 25% सल्फ्यूरिक एसिड युक्त घोल बनाने के लिए इसमें कितनी सल्फ्यूरिक एसिड की मात्रा मिलाएँ।

A

a)3L

B

b)5L

C

c)4L

D

d)2L

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