Chemistry Past Paper Questions

Change Subject
Q 911:Photosynthesis process produces:
A
Starch
B
Cellulose
C
Sucrose
D
Glucose
Gujranwala, 2017
View Answer
Q 912:Specific rate constant for forward reaction is represented by:
A
Kf
B
Kc
C
NH3
D
Kb
Gujranwala, 2017
View Answer
Q 913:The formula of plamitic acid is:
A
C15H31COOH
B
C17H35COOH
C
C16H32O2
D
C17H36COOH
Gujranwala, 2017
View Answer
Q 914:Temporary hardness is because of:
A
Ca(HCO₃)₂
B
CaCO2
C
MgCO₃
D
MgSO₄
Gujranwala, 2017
View Answer
Q 915:The colour of concentrated solution of potassium permanganate is:
A
Dark red
B
Dark green
C
Dark purple
D
Bright yellow
Gujranwala, 2017
View Answer
Q 916:The example of non-electrolyte is:
A
NaOH
B
HCl
C
H2SO4
D
C6H6
Gujranwala, 2017
View Answer
Q 917:The horizontal rows of elements in periodic table are called:
A
groups
B
Periods
C
Blocks
D
Shells
Gujranwala, 2017
View Answer
Q 918:The molecular mass of nitric acid (HNO3) is:
A
18 amu
B
42 amu
C
63 amu
D
78 amu
Gujranwala, 2017
View Answer
Q 919:The number of electrons participating in double covalent bond is:
A
2
B
4
C
6
D
8
Gujranwala, 2017
View Answer
Q 920:Spontaneous chemical reaction takes place in:
A
Electrolytic Cell
B
Nelson's cell
C
Galvanic Cell
D
Down's Cell
Gujranwala, 2017
View Answer
Total MCQs: 1548Page 92 of 155
Previous9293949596979899100101Next
Subjects
Biology
Chemistry
English
Islamiat
Pakistan Studies
Physics