Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 General Science Chemistry Organic Chemistry

खालीलपैकी कोणते अभिकर्मक अमाईनमध्ये नायट्रो संयुगांच्या संक्षेपणासाठी वापरले जात नाही?

1
H2/Pd
2
Sn+HCI
3
Fe+HCI
4
Fe+NaOH
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