RRB JE Stage I Exam 26 May 2019 Shift 1

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Question : 55 of 100

Marks: +1, -0

MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂ is an example of -

Combustion reaction
Combination reaction
Precipitation reaction
Redox reaction

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