Chemistry Past Paper Questions

Change Subject
Q 501:Density of water is maximum at temperature.
A
0oC
B
4oC
C
100oC
D
125oC
Gujranwala, 2018
View Answer
Q 502:Electric power (P) is equal to:
A
I2V
B
IV2
C
I2R
D
IR2
Gujranwala, 2018
View Answer
Q 503:Five joules of work is needed to shift 10 C of charge from one place to another the potential difference between places is:
A
0.5v
B
2v
C
5v
D
10v
Gujranwala, 2018
View Answer
Q 504:For the given reaction the unit of Kc is: H2 + I2 = 2HI
A
mol-2 dm6
B
mol dm3
C
mol dm-3
D
None of these
Gujranwala, 2018
View Answer
Q 505:How does sound travel from its source to your ear?
A
By changes in air pressure
B
By vibrations in wires or strings
C
By electomagnetic waves
D
By infrared waves
Gujranwala, 2018
View Answer
Q 506:AND gate can be formed by using two:
A
NOT Gates
B
OR Gates
C
NOR Gates
D
NAND Gates
Gujranwala, 2018
View Answer
Q 507:d Block elements placed at the center of the modern periodic table are called:
A
Metalloids
B
Noble Metals
C
Transition elements
D
Non-Metals
Gujranwala, 2018
View Answer
Q 508:Glue is an example of:
A
True solution
B
Colloidal solution
C
Suspension
D
Saturated solution
Gujranwala, 2018
View Answer
Q 509:Air is an example of solution:
A
Solid in solid
B
Solid in liquid
C
Gas in gas
D
Liquid in liquid
Gujranwala, 2018
View Answer
Q 510:An example of true solution is:
A
tooth paste
B
solution of starch
C
solution of soap
D
ink in water
Gujranwala, 2018
View Answer
Total MCQs: 1548Page 51 of 155
Previous51525354555657585960Next
Subjects
Biology
Chemistry
English
Islamiat
Pakistan Studies
Physics