1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

The correct decreasing order of boiling point of hydrogen halides is

A
$\mathrm{HF}>\mathrm{HCl}>\mathrm{HBr}>\mathrm{HI}$
B
$\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}>\mathrm{HF}$
C
$\mathrm{HF}>\mathrm{HI}>\mathrm{HBr}>\mathrm{HCl}$
D
$\mathrm{HI}>\mathrm{HF}>\mathrm{HBr}>\mathrm{HCl}$
2
KCET 2023
MCQ (Single Correct Answer)
+1
-0

The composition of water gas is

A
$$\mathrm{CO}(g)+\mathrm{N}_2(g)$$
B
$$\mathrm{CH}_4(g)$$
C
$$\mathrm{CO}(g)+\mathrm{H}_2 \mathrm{O}(g)$$
D
$$\mathrm{CO}(g)+\mathrm{H}_2(g)$$
3
KCET 2023
MCQ (Single Correct Answer)
+1
-0

A $$30 \%$$ solution of hydrogen peroxide is

A
'30 volume' hydrogen peroxide
B
'10 volume' hydrogen peroxide
C
'50 volume' hydrogen peroxide
D
'100 volume' hydrogen peroxide
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Permanent hardness cannot be removed by

A
using washing soda
B
Calgon's method
C
Clark's method
D
ion exchange method
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