Question : How many oxygen atoms are there in a molecule of acetic acid?
Option 1: 1
Option 2: 2
Option 3: 4
Option 4: 3
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Correct Answer: 2
Solution : The correct option is 2.
The molecular formula of acetic acid is C2H4O2. Thus, there are two oxygen atoms in the acetic acid molecule. The structure of acetic acid is often represented as CH3COOH, where one carbon (C) is double-bonded to one oxygen (O) and single-bonded to another oxygen (O), which is also bonded to a hydrogen (H). The remaining carbon (C) is bonded to three hydrogen atoms (H).
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Question : How many oxygen atoms are there in an acetone molecule?
Option 1: 3
Option 2: 1
Option 3: 2
Option 4: 4
Question : How many hydrogen atoms are there in a molecule of methane?
Option 1: 2
Option 2: 6
Question : Which of the following acids is responsible for muscle fatigue in humans?
Option 1: Acetic acid
Option 2: Nitric acid
Option 3: Lactic acid
Option 4: Hydrochloric acid
Question : Which of the following acids is used in lead storage batteries?
Option 2: Hydrochloric acid
Option 3: Sulphuric acid
Option 4: Nitric acid
Question : What organic compounds are found in the cells of apples, and when these are exposed to oxygen in the air, for example, through slicing, the oxygen causes a reaction?
Option 1: Phenols
Option 2: Carboxylic acid
Option 3: Resorcinol
Option 4: Cyclohexanol
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