Question : Crude oil is sometimes termed sweet because it is:
Option 1: sweet in taste due to dissolved sugars
Option 2: mild sweet due to low sulphur content
Option 3: less acidic
Option 4: less alkaline
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Correct Answer: mild sweet due to low sulphur content
Solution : The correct option is mild sweet due to low sulphur content.
Sweet crude oil is a type of oil that contains only 1% sulphur. The term "sweet" is used to describe its mild and pleasant smell, unlike sour crude, which has a higher sulphur content and a less pleasant odour. Refineries prefer sweet crude oil because it requires less processing to remove sulphur impurities, resulting in cleaner end products.
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Question : The sweet taste of fruits is due to
Option 1: Lactose
Option 2: Fructose
Option 3: Maltose
Option 4: Ribose
Question : Iodine value is used to estimate
Option 1: Hydroxyl groups in oil
Option 2: Alkali content in oil
Option 3: Unsaturation in oil
Option 4: The carboxylic group in the oil
Question : An oil drop spreads over water because:
Option 1: oil is lighter than water.
Option 2: oil is more viscous.
Option 3: oil does not mix with water.
Option 4: surface tension of oils is much smaller than that of water.
Question : Select the most appropriate option to fill in the blank.
Instead of the sweet taste she expected, it was_____ - like alum.
Option 1: dulcet
Option 2: aromatic
Option 3: tenacious
Option 4: bitter
Question : Sulphur dioxide levels in the atmosphere can be reduced by using
Option 1: more efficient car engines
Option 2: catalytic converters in the industry
Option 3: static electricity to attract it in the factory chimney
Option 4: low sulphur fuels
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