Civil Engineering MCQJE Level Civil Engineering
the gas evolved when acid reacts with metal: choose the correct option.
Physics and ChemistryPhysics and ChemistryEASY
Choose the correct answer
A
oxygen
B
hydrogen
C
nitrogen
D
carbon monoxide
Correct Answer
B. hydrogen
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hydrogen is the correct association for the gas evolved when acid reacts with metal.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.