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Online Tests
Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers
Question # 1
Which of following is not amphoteric?
Choose an answer
H
2
O
NH
3
HCO
3
SO
4
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Question # 2
Which is used to manufacture of soap?
Choose an answer
NaOH
Ca(OH)
2
KOH
Mg(OH)
2
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Question # 3
The colour of litmus in a strong basic solution become.
Choose an answer
Yellow
Blue
Red
Colourless
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Question # 4
A base is a substance which neutralizes an acid which of these substances is not a base?
Choose an answer
Aqueous ammonia
Sodium chloride
Sodium Hydroxide
Calcium Hydroxide
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Question # 5
All bases turn red litmus
Choose an answer
Red
Blue
Pink
White
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Question # 6
What is pOH of 0.01 M solution of KOH?
Choose an answer
3
11
2
4
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Question # 7
Which acid used for food preservation?
Choose an answer
H
2
SO
4
HNO
3
HCl
CH
3
COOH
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Question # 8
Latin word 'Acidus' means:
Choose an answer
sweet
salty
sour
bitter
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Question # 9
When acid react with carbonates and bicarbonates which gas is evolved?
Choose an answer
H2
CO
2
Cl
2
N
2
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Question # 10
Water of crystallization is responsible for.
Choose an answer
Melting points of crystals2
Boiling point of crystal
Shape of crystal
Transition points of crystals
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Question # 11
___________ is not mineral acid.
Choose an answer
HCl
CH
3
COOH
H
2
SO
4
HNO
3
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Question # 12
According to the Lewis concept acid is a substance which can.
Choose an answer
Donate a proton
Donate a pair of electron
Accept a proton
Accept a pair of electron.
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Question # 13
A substance which can behave as an acid as well as a base is called.
Choose an answer
Acid
Base
Amphoteric
Neutral
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