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1
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation number of Mn in MnO$^{2-}_4$ ion?

A
+6
B
+8
C
$-$8
D
$-$6
2
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is used as an oxidising agent to bleach wood pulp into white paper?

A
$$\mathrm{H}_2 \mathrm{O}_2$$
B
$$\mathrm{Cl}_2$$
C
$$\mathrm{Mn}(\mathrm{OH})_2$$
D
NaOCl
3
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation number of As in H$$_3$$AsO$$_3$$ ?

A
+ 4
B
+ 3
C
$$-$$ 3
D
+ 2
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following oxides can act both as an oxidising agent as well as reducing agent?

A
$\mathrm{N}_2 \mathrm{O}$
B
$\mathrm{SO}_2$
C
$\mathrm{SO}_3$
D
$\mathrm{P}_2 \mathrm{O}_5$
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