1
JEE Main 2021 (Online) 24th February Evening Shift
Numerical
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The total number of amines among the following which can be synthesized by Gabriel synthesis is __________.

JEE Main 2021 (Online) 24th February Evening Shift Chemistry - Compounds Containing Nitrogen Question 136 English
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2
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
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The number of chiral centres present in [B] is _____. JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Compounds Containing Nitrogen Question 147 English
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3
JEE Main 2020 (Online) 9th January Morning Slot
Numerical
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The mass percentage of nitrogen in histamine is _____.
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