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Online Tests
Chemistry 10th Class English Medium Unit 10 Online Test MCQs With Answers
Question # 1
A conjugate acid is a specie formed by accepting a.
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Proton
Electron pair
Neutron
Electron
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Question # 2
Uric acid is found in
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Urine
Fats
Apple
Grapes
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Question # 3
Which one of the following species is not amphoteric?
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H
2
O
NH
3
HCO
3
SO
4
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Question # 4
Which one is not an Arrhenius base?
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NaOH
KOH
Ca(OH)
2
NH
3
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Question # 5
Which one is not a characteristic of an acid:
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it turns red litmus blue
it reacts with base to form salt and water
Its aqueous solution conduct electric current
it has sour taste
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Question # 6
A neutral salt is not composed of.
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Metallic ion
Non metallic anion
Anion of base
Anion of acid
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Question # 7
Acetic acid is a weak acid because it.
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Is used in cooking and flavouring food.
Has very low pH
Is not fully ionized
Does not contain any hydrogen ions.
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Question # 8
When acid react with carbonates and bicarbonates which gas is evolved?
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H2
CO
2
Cl
2
N
2
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Question # 9
Which of the following thing is a lewis base?
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NH
3
BF
3
H
+
AlCl
3
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Question # 10
Which of one the following is Lewis base?
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BF3
H+
NH3
Ag+
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Question # 11
Which gas is evolved when acids react with carbonates and bicarbonates?
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Carbon monoxide
Carbon dioxide
Hydrogen
Hydrogen chloride
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Question # 12
Dilute acid react with carbonates the produce product except _________
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Salt
Water
Carbon di oxide
Hydrogen gases
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Question # 13
Malic acid founds in:
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Apple
Fats
Rancid Butter
Oranges
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