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Chemistry

Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.323
0.158
0.273
0.201

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Chemistry
The strongest acid of the following is

P-chlorophenol
O-nitrophenol
P-nitrophenol
M-nitrophenol

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Chemistry
How many neutrons does iron have

26
8
13
30

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Chemistry
The natural resource, known as black gold is

Tin
Lead
Platinum
Coal

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Chemistry
Chloroform can be used as

Anaesthetic
Antibiotic
Analgesic
Antimalarial

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Chemistry
For a spontaneous chemical process, the free energy change is

Positive
Negative
Zero
Depends on whether the reaction is exothermic or endothermic

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MORE MCQ ON Chemistry

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