1
MHT CET 2026 13th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the cation present in chlorophyll in green plants.
A
$\text{Mg}^{2+}$
B
$\text{Ca}^{2+}$
C
$\text{Fr}^+$
D
$\text{Na}^+$
2
MHT CET 2026 11th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which alkaline earth metal carbonate decomposes most easily?
A
$\text{MgCO}_3$
B
$\text{CaCO}_3$
C
$\text{SrCO}_3$
D
$\text{BaCO}_3$
3
MHT CET 2026 11th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following is obtained when dihydrogen reacts with the alkali metals at high temperature?
A
Alkoxides
B
Metal hydrides
C
Peroxides
D
Metal nitrites
4
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following dopant is added in silicon to obtain n-type semiconductor?

A

As

B

B

C

Ga

D

In

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