Chemistry Past Paper Questions

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Q 1031:A base ios a substance which neutralizes an acid. Which of these substances is not base?
A
aqueous ammonia
B
Stodium chloride
C
sodium carbonate
D
Calcium oxide
Rawalpindi, 2017
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Q 1032:A disease that causes bone and tooth damage is
A
Fluorosis
B
Hepatitis
C
Chlorea
D
Jaundice
Rawalpindi, 2017
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Q 1033:A reaction between an acid and a base produces salt and
A
water
B
gas
C
An acid
D
a base
Rawalpindi, 2017
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Q 1034:A bond formed between two non metals is expected to be
A
Ionic
B
Covalent
C
Coordinate
D
Metallic
Rawalpindi, 2017
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Q 1035:A bond pair in covalent molecules usually has
A
Two electrons
B
Three electrons
C
Four electrons
D
Five electrons
Rawalpindi, 2017
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Q 1036:The oxidation number of nitrogen in nitric acid (HNO3) is:
A
+5
B
+4
C
+3
D
+2
Multan, 2017
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Q 1037:Thousands of amino acids polymerize to form.
A
Carbohydrates
B
Proteins
C
Lipids
D
Vitamins
Multan, 2017
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Q 1038:The product of Lewis acid-base reaction is called Adduct. The bond between the adduct specie is:
A
Ionic
B
Covalent
C
Metallic
D
Coordinate covalent
Multan, 2017
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Q 1039:The two major components of Atmosphere are:
A
Hydrogen and oxygen
B
Nitrogen and hydrogen
C
Nitrogen and oxygen
D
Oxygen and water
Multan, 2017
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Q 1040:The unit of pressure is:
A
Joule
B
Pascal
C
Ampere
D
Gram
Multan, 2017
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Total MCQs: 1548Page 104 of 155
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