Acids, Base and Salts TNPSC Group 1 Questions

Chemistry

Acids, Base and Salts MCQ Questions

7.
the heat of neutralisation is constant for
A.
strong acid- strong base
B.
strong acid - weak base
C.
weak acid - strong base
D.
weak acid- weak base
😑 View Answer Rough Work Error
ANSWER :
A. strong acid- strong base
8.

Gypsum salt is

A.

ZnSO4 . 7H2O

B.

CuSO4 . 5H2O

C.

CaSO4 . 2H2O

D.

MgSO4 . 7H2O

😑 View Answer Rough Work Error
ANSWER :

C. CaSO4 . 2H2O

9.

Epsom salt is

A.

ZnSO4 . 7H2O

B.

MgSO4.7H2O

C.

FeSO4 . 7H2O

D.

None of these

😑 View Answer Rough Work Error
ANSWER :

B. MgSO4.7H2O

10.
pH of blood is
A.
8
B.
7.4
C.
6.4
D.
4
😑 View Answer Rough Work Error
ANSWER :
B. 7.4
11.

Mohr's salt is

A.

(NH4)2 . Fe(SO4)2 . 6H2O

B.

(NH4) . Fe(SO4)2 . 5H2O

C.

(NH4)2 . Fe(SO4)2 . 24H2O

D.

(NH4) . Fe(SO4)2 . 6H2O

😑 View Answer Rough Work Error
ANSWER :

A. (NH4)2 . Fe(SO4)2 . 6H2O

12.
If pH = 7, pOH=?
A.
zero
B.
7
C.
14
D.
None of these
😑 View Answer Rough Work Error
ANSWER :
B. 7 (pH+pOH =14, then 7+pOH=14, pOH=14-7, pOH=7)