51. बोरिक एसिड और बोरेक्स बफर मिश्रण का पीएच रेंज
क्या है?
(A) 2.2-3.8
(B) 4.0-6.2
(C) 6.8-9.2
(D) 5.9-8.0
Answers
Answered by
3
Answer:
(C) is the right option.......6.8-9.2
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Answered by
1
Explanation:
the the answer is b is the option of this question
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