1
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct statement about properties of interstitial compounds.

A
Melting point of these compounds is lower than parent metal.
B
Densities of these compounds are higher than parent metal.
C
Chemical properties of interstitial compounds are different than parent metal.
D
Metallic carbides are chemically inert.
2
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct decreasing order of densities of $d$-block elements.

A
$\mathrm{V}>\mathrm{Cr}>\mathrm{Fe}>\mathrm{Ni}$
B
$\mathrm{Ni}>\mathrm{Fe}>\mathrm{Cr}>\mathrm{V}$
C
$\mathrm{Fe}>\mathrm{Ni}>\mathrm{V}>\mathrm{Cr}$
D
$\mathrm{Cr}>\mathrm{Fe}>\mathrm{V}>\mathrm{Ni}$
3
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following actinoids exhibits only +3 oxidation state?

A
Lr (Z = 103)
B
U (Z = 92)
C
Th (Z = 90)
D
Pa (Z = 91)
4
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following elements belongs to first inner transition series?

A
Pu
B
Pr
C
Bk
D
Fm
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