Chemistry Past Paper Questions

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Q 861:Pentahydroxy ketone is called:
A
Glucose
B
Starch
C
Sucrose
D
Fructose
Faisalabad, 2017
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Q 862:Percentage of methane present in natural gas is:
A
75%
B
80%
C
85%
D
90%
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Q 863:The colour of HI is:
A
Colorless
B
Orange
C
Purple
D
Red
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Q 864:Temporary hardness of water is removed by adding:
A
NaOH
B
KOH
C
Ca(OH)3
D
CaSO4
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Q 865:The amount of energy given out when an electron is added to an atom called:
A
Lattice energy
B
Ionization Energy
C
Electronegativity
D
Electron Affinity
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Q 866:The apparatus used to measure the pressure in laboratory is:
A
Hydrometer
B
Manometer
C
Thermometer
D
Galvanometer
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Q 867:The colour of flame of magnesium in air is:
A
Brilliant white
B
Brick red
C
Golden yellow
D
Pale yellow
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Q 868:The compound used as universal solvent is:
A
Water
B
Petrol
C
Alcohol
D
Benzene
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Q 869:The compound which is not soluble in water:
A
KCl
B
Na2CO3
C
CuSO4
D
C6H6
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Q 870:Smoke in air is the example of:
A
Gas in gas solution
B
Gas in liquid solution
C
Solid in gas solution
D
Solid in solid solution
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Total MCQs: 1548Page 87 of 155
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