Question : About how many litres are there in a Barrel (US Oil)?
Option 1: 190 L
Option 2: 109 L
Option 3: 159 L
Option 4: 169 L
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Correct Answer: 159 L
Solution : The correct option is 159 L.
A standard barrel (US Oil) contains approximately 159 litres. This is the equivalent of 42 US gallons. It is a unit of measurement for crude oils, and petroleum in international transport. It is not defined under the SI metric system, but it is used to measure the volume of hydrocarbons.
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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
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 : How many calories are there in a joule?
Option 1: 0.24
Option 2: 0.48
Option 3: 0.72
Option 4: 0.96
Question : Which one of the following vegetable oils is used in the manufacture of paints?
Option 1: Palm oil
Option 2: Sunflower oil
Option 3: Linseed oil
Option 4: Cottonseed oil
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