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

Which from following statements is true for group 16 elements?

A
All elements of this group form $$\mathrm{EO}_2$$ type oxides.
B
It includes all the nonmetals.
C
Oxides of all elements of this group are gaseous at room temperature.
D
Reducing properties of dioxides of this group element decreases form $$\mathrm{SO}_2$$ to $$\mathrm{TeO}_2$$.
2
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following compounds in NOT a colourless gas?

A
CIF
B
$$\mathrm{IF}_7$$
C
$$\mathrm{IF}_3$$
D
$$\mathrm{CIF}_3$$
3
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify use of argon from following.

A
In supersonic wind tunnels
B
For magnetic resonance imaging
C
For producing inert atmosphere in welding
D
For production of lasers
4
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following belongs to oxygen family?

A
Ba
B
Se
C
Rb
D
Ca
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