Chemistry (UI) | Study Mode

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Question 81
A
(CH3COO)2 Zn + Zn
B
CH3COO CH3 + Zn
C
(CH3COO)2 Zn + H2
D
CH3COOH + CH4
Explanation

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Correct option: C
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Question 82
A
a hydrazone
B
an alkanonitrile
C
a nitroso compound
D
an oxime
Explanation

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Correct option: D
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Question 83
A
R+ + COOH
B
RCOO- + H+
C
RCOO+ + H-
D
RCO+ + OH-
Explanation

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Correct option: B
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Question 84
A
ethane
B
ethene
C
ethanol
D
ethoxyethane
Explanation

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Correct option: B
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Question 85
A
Hydrochloric acid
B
Bromine water
C
Potassium sulphate
D
Sodium hydroxide
Explanation

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Correct option: B
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Question 86
A
the corresponding Ca and Mg compound formed is soluble in H 2 O
B
detergents are not affected by hardness of water
C
it cleans better than soap
D
it is less expensive
Explanation

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Correct option: D
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Question 87
A
oxidise
B
reduce
C
bleach
D
precipitate
Explanation

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Correct option: D
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Question 88
A

81.40g

B

40.70g

C

16.00g

D

32.00g

E

20.35g

Explanation

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Correct option: A
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Question 89
A
Methanoic acid reacts with KOH
B
Ethanoic acid reacts with KOH
C
Methanol reacts with KCO3
D
Ethanol reacts with CH3COOH
Explanation

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Correct option: B
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Question 90
A
Acidic hydrolysis of fat or oil
B
Alkali hydrolysis of fat or oil
C
Condensation of two monomer units
D
Mixture of glacial ethanoic acid and excess of simple alkanol
Explanation

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Correct option: B

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