Solvents get the big squeeze

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Q 1/11
Score 0
1. Accordingto paragraph 4, what are the different uses of SCFs in industries other
than that of the brewing of beers?
29

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11 questions

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Q1
1. Accordingto paragraph 4, what are the different uses of SCFs in industries other
than that of the brewing of beers?
Users enter free text
Type an Answer
300s
Q2
1. Hexane,chlorine-containing hydrocarbons and ethers are polar solvents.
false
true
True or False
300s
Q3
2. Reactions with supercritical fluids taking place at close to room temperatures result from the special electrostatic attributes of SCFs.
true
false
True or False
300s
Q4
1. Zosel's method for coffee decaffeination had a great effect on the chemical industry because it
c. removed caffeine from coffee beans
a. was replaced in the early 1960s by newer modes ofextraction procedures
b. dispenses with the need for toxic solvents
d. is the basis for making toxic solvents
300s
Q5
8. What is the topic of paragraph 5?
b. “Clean” incineration of organic toxic waste
c. Potential uses of supercritical water and other SCFs
d. The harmful properties of conventional industrial solvents
a. The unusual properties of supercritical water
300s
Q6
1. Accordingto paragraph 2, ___ certain gases do not break down first under pressure and heat, they become supercritical.
unless
if
whereas
120s
Q7
4. From"like dissolves like" (par. 6, line 9) we can understand that
a. similar substances repel each other unless they arethemselves oily
c. polar solvents are able to dissolve oily solvents withinthem
b. a substance dissolves in a substance which is similar toit
300s
Q8
My own question: The word "removing" (para.1, L.4) is used as
a verb
an adjective
an adverb
a noun
60s
Q9
The word "place" (para. 2, L. 2) is used as
a verb
a noun
an adverb
an adjective
60s
Q10
The word "brewing" (para. 4, L. 4) is used as
a noun
an adverb
a verb
an adjective
60s
Q11
The word "it" (para. 4, line 5) refers to
German idea
real ale
technique
Britain's brewing industry
120s

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