1
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

2
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which colour is developed to the solution when alkaline earth metals are dissolved in liquid ammonia?

A
Crimson red
B
Orange
C
Deep blue black
D
Faint green
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element forming peroxide on reaction with oxygen.

A
C
B
Ar
C
Na
D
He
4
MHT CET 2025 22nd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is not an alkali metal?

A
Lithium
B
Potassium
C
Beryllium
D
Caesium
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