1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the use of mixture of $$\mathrm{Ar}$$ and $$\mathrm{N}_2$$ from following.

A
For magnetic resonance imaging
B
For production of lasers
C
To fill in electric bulbs
D
To produce low temperature for research work
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following oxides is acidic in nature?

A
N$$_2$$O$$_5$$
B
NO
C
Na$$_2$$O
D
CO
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following formulae is correctly represented according to stock notation?

A
$$\mathrm{Fe}$$ (II) $$\mathrm{Cl}_3$$
B
$$\mathrm{Mn}(\mathrm{II}) \mathrm{O}_2$$
C
$$\mathrm{Au}$$ (III)Cl
D
$$\mathrm{Sn}(\mathrm{IV}) \mathrm{Cl}_4$$
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify amphoteric oxide from following.

A
SO$$_3$$
B
Na$$_2$$O
C
N$$_2$$O
D
Al$$_2$$O$$_3$$
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