Question Bank - General Science

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Which of the following elements does NOT involve in the chemical composition of the sugar that we eat?

A.
Nitrogen
B.
Carbon
C.
Hydrogen
D.
Oxygen

Solution:

The correct answer is Nitrogen.Table sugar is the common name for a sugar known as sucrose.It is a type of disaccharide made from the combination of the monosaccharides glucose and fructose.The chemical or molecular formula for sucrose is C12H22O11.That means each molecule of sugar contains 12 carbon atoms, 22 hydrogen atoms and 11 oxygen atoms.?Important PointsThe type of sugar called sucrose is also known as saccharose.It is a saccharide that is made in many different plants.Most table sugar comes from sugar beets or sugarcane.The purification process involves bleaching and crystallization to produce a sweet, odourless powder.The English chemist William Miller coined the name sucrose in 1857 by combining the French word sucre, which means "sugar", with the -ose chemical suffix that is used for all sugars.Formulas for Different Sugars:Arabinose - C5H10O5Fructose - C6H12O6Galactose - C6H12O6Glucose - C6H12O6Lactose - C12H22O11

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