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Chemistry 11
Chapter 3 Gases
Test 9
1.
If a graph is plotted between on x-axis and Pressure on y-axis then a______ is obtained?
a) Curve
b) Circle
c) Straight line
d) None of these
2.
Charles’s law is obeyed when temperature scale is in_______?
a) Farhanite
b) Kelvin
c) Centigrade
d) None of these
3.
The relation between volume and temperature in Charles’Law is?
a) Equal to
b) Inversely proportional
c) Directly proportional
d) None of these
4.
If we plot a graph between pressure on x-axis and the Product PV on y-axis then a line is obtained which is parallel to?
a) none of these
b) y-axis
c) x-axis
d) z-axis
5.
For a real gas zero volume is _______?
a) Possible
b) Not possible
c) Both
d) None of these
6.
250 cm
3
of hydrogen is cooled from 127
o
C to -27
o
C by maintaining the pressure constant. Calculate the new Volume of the gas at low temperature?
a) 140 cm
3
b) 143 cm
3
c) 153 cm
3
d) 150 cm
3
7.
The melting point of ice at 1 atm pressure has a mark of?
a) 34
o
F
b) 33
o
F
c) 35
o
F
d) 32
o
F
8.
The boiling point of ice at 1 atm pressure has a mark of _____ F?
a) 213
o
b) 210
o
c) 211
o
d) 212
o
9.
Zero kelvin or zero absolute starts from?
a) -273.16
o
C
b) 270
c) -273
o
K
d) 272
10.
In word “isotherm” , the word “therm” means?
a) Energy
b) None of these
c) Heat
d) Light
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