1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which group elements from following are called as chalcogens?

A
group 13
B
group 15
C
group 16
D
group 17
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element having general electronic configuration $$\mathrm{ns}^2 \mathrm{np}^4$$ from following.

A
$$\mathrm{Se}$$
B
$$\mathrm{Br}$$
C
$$\mathrm{Xe}$$
D
$$\mathrm{Kr}$$
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following is a soft element?

A
Mn
B
Zn
C
Co
D
Ni
4
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
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