1
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Auto-oxidation of chloroform in air and light produces a poisonous gas known as

A
Phosphine
B
Mustard gas
C
Phosgene
D
Tear gas
2
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Transition metals are known to make interstitial compounds. Formation of interstitial compounds makes the transition metal

A
more hard
B
more soft
C
more ductile
D
more metallic
3
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Isotonic solutions have the same

A
density
B
refractive index
C
osmotic pressure
D
volume
4
CBSE 12th Chemistry Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following cell was used in Apollo space programme?

A
Mercury cell
B
$\mathrm{H}_2-\mathrm{O}_2$ fuel cell
C
Dry cell
D
Ni-Cd cell