Identify the non-toxic and green solvent.

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Editor">Editor Staff asked 1 year ago

Identify the non-toxic and green solvent.
 
(a) Liquified carbondioxide
 
(b) Benzene
 
(c) Carbon tetrachloride
 
(d) Toluene
 
I had been asked this question during an interview.
 
My doubt stems from Green Chemistry topic in chapter Environmental Chemistry of Chemistry – Class 11
Select the correct answer from above options 
Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Editor">Editor Staff answered 1 year ago

Right choice is (a) Liquified carbondioxide
 
Explanation: When compared to conventional solvents, liquified CO2 leaves a lower amount of residue. It is also a non-toxic and attractive solvent for temperature-sensitive materials.

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