railway RRB JE (CBT I + CBT II) Mock Test 2024 General Science Chemistry Organic Chemistry

ফর্মিক অ্যাসিড (HCOOH) এর আয়নীকরণ ধ্রুবক কত?

1
1.2 x 10-4
2
1.4 x 10-4
3
1.8 x 10-4
4
1.6 x 10-4
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