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Chemistry CBSE Live product
Class 10
Chemical reaction and equations
Annual Revision II - Chemical reactions and equations
2.
Oxidation reaction
Question:
2
m.
Identify the correct answer:
1.
Which of the following statements is true?
Reduction always involves loss of electrons
Oxidation always involves gain of electrons
Oxidation can involve loss of hydrogen
Reduction cannot involve gain of hydrogen
2.
Manganese dioxide reacts with concentrated \(HCl\) to give chlorine gas. Identify the oxidising agent.
\(HCl\)
\(MnO_2\)
\(Cl_2\)
\(MnCl_2\)
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