1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

When KBr is dissolved in water, K$$^+$$ ions are

A
oxidised
B
reduced
C
hydrolysed
D
hydrated
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The volume of 10N and 4N HCl required to make 1 litre of 7N HCl are

A
0.75 litre of 10N HCl and 0.25 litre of 4N HCl
B
0.80 litre of 10N HCl and 0.20 litre of 4N HCl
C
0.60 litre of 10N HCl and 0.40 litre of 4N HCl
D
0.50 litre of 10N HCl and 0.50 litre of 4N HCl
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Carbon forms two oxides which have different compositions. The equivalent mass of which remains constant?

A
Carbon
B
Oxygen
C
Neither carbon nor oxygen
D
Both carbon and oxygen
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Maximum number of molecules of CH$$_3$$I that can react with a molecule of CH$$_3$$NH$$_2$$ are

A
1
B
2
C
4
D
3
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