1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

$$\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7$$ on heating liberates a gas. The same gas will be obtained by

A
heating $$\mathrm{NH}_4 \mathrm{NO}_2$$
B
treating $$\mathrm{H}_2 \mathrm{O}_2$$ with $$\mathrm{NaNO}_2$$
C
treating $$\mathrm{Mg}_3 \mathrm{~N}_2$$ with $$\mathrm{H}_2 \mathrm{O}$$
D
heating $$\mathrm{NH}_4 \mathrm{NO}_3$$
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The strong reducing property of hypophosphorus acid is due to

A
the positive valency of phosphorus
B
two $$\mathrm{P}-\mathrm{H}$$ bonds
C
presence of phosphorus in its highest oxidation state
D
its concentration
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is

A
hydrogen chloride gas
B
chlorine gas
C
sulphur dioxide gas
D
hydrogen gas
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The number of six membered and five membered rings in Buckminster fullerene respectively is

A
20, 12
B
12, 20
C
14, 18
D
14, 11
KCET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12