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Online Tests
Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers
Question # 1
Latin word 'Acidus' means:
Choose an answer
sweet
salty
sour
bitter
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Question # 2
A substance which can behave as an acid as well as a base is called.
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Acid
Base
Amphoteric
Neutral
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Question # 3
The product of any Lewis acid-base reaction is a single specie called:
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free radical
adduct
molecular ion
conjugate
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Question # 4
The acid which is called king of chemicals.
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Sulphuric Acid
Nitric Acid
Hydrochloric acid
Acetic acid
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Question # 5
|Which one is not an Arrhenius acid?
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HCl
H2SO
4
CO
2
HNO
3
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Question # 6
A salt is not composed of
Choose an answer
A metallic cation
Non -metallic anion
an anion of a base
An anion of an acid
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Question # 7
Which acid is used for etching designs on copper plates?
Choose an answer
H
2
SO
4
HNO
3
HCl
CH
3
COOH
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Question # 8
The colour of litmus in a strong basic solution become.
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Yellow
Blue
Red
Colourless
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Question # 9
Which one of the following is Lewis base?
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NH
3
BF
3
H
+
AlCl
3
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Question # 10
Which acid is used for food preservation?
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Hydrochloric acid
Benzoic acid
Sulphuric acid
Nitric acid.
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Question # 11
Lavoisier named binary compounds of oxygen acids in .
Choose an answer
1787
1790
1815
1828
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Question # 12
conjugate base of HCl is:
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HCl
-
CH
Cl
NH
3
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Question # 13
Which acid is used an electrolyte in lead storage battery?
Choose an answer
H
2
SO
4
HNO
3
HCl
CH
3
COOH
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