Sugarcane Extraction
Authored by Marsha Grant-Gibson
Chemistry
7th - 9th Grade
Used 90+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which technique is used to separate the juice from the precipitated impurities?
Distillation
Clarification
Evaporation
Filtration
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Centrifugation is used to separate
sugar crystals from syrup
juice from the cane fibres
water from the sugar solution
Precipitated impurities from sugar solution.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the origin of mud in sugarcane extraction?
Soil from cane fields.
Residue of precipitated impurities and sediments formed after filtration.
Product remaining after sugar crystals have been removed.
Substance found in bagasse.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a consequence of evaporation occuring under reduced pressure in vacuum distillation?
i. Juice boils at a lower temperature
ii. The sugar is less likely to decompose or char.
iii. the sugar taste sweeter
i only.
ii only.
i and ii only.
i, ii and iii.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is warm air blown onto the sugar crystals?
To dry the crystals.
To cook the sugar
To process the sugar
To form molasses
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which techniques are not utilised in sugar cane extraction?
Filtration
Evaporation
Centrifugation
Chromatography
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is lime added to the cane juice?
To decrease the pH
To increase turbidity.
To remove cane fibres.
To precipitate soluble impurities.
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