Three hydrocarbons are separately mixed with aqueous bromine. Which row gives the correct observation for each hydrocarbon?

A.
B.
C.
D.
Chemistry
IGCSE&ALevel
CAIE
Exam No:0620_s25_qp_12 Year:2025 Question No:34

Answer:

C

Knowledge points:

4.2.1. State that a hydrogen–oxygen fuel cell uses hydrogen and oxygen to produce electricity with water as the only chemical product

Solution:

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