E-PolyLearning

1. Chromatography is used to separate
a. solution
b. mixtures
c. molecules
d. atoms
View Answer Report Discuss 50-50!
Answer: (b).mixtures

2. Process used to separate insoluble particles from liquids is
a. drying
b. filtration
c. sieving
d. extraction
View Answer Report Discuss 50-50!
Answer: (b).filtration

3. Most common example of extraction is with help of
a. Ether
b. alcohol
c. benzene
d. chloroform
View Answer Report Discuss 50-50!
Answer: (a).Ether

4. If tip of funnel touches side of beaker it avoids
a. splashing
b. bubbling
c. bumping
d. backflow
View Answer Report Discuss 50-50!
Answer: (a).splashing

5. One of most common solvent used for crystallization is
a. water
b. syrup
c. normal saline
d. sulphuric acid
View Answer Report Discuss 50-50!
Answer: (a).water

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