Everyday Science · Everyday & Industrial Chemistry · page 4 of 21
Household MCQs with Answers
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Practice these MCQs in the appHousehold, Food & Material Chemistry MCQs (31–40)
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Past paper MCQs in this chapter · See all past papers
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- 31.
Cotton fiber is purely _?
- 32.
Which one of the following is rubber?
- 33.
Which salts are excessively dissolved to make temporary hard water?
- 34.
Soft drinks contain significant quantities of _?
- 35.
Past Paper MCQ
The pH of milk is _?
- 36.
Polyethene is ?
- 37.
(K₂SO₄·Al₂(SO₄)₃·24H₂O) or Potash alum locally named Philkri is used for _?
- 38.
Starch is a polymer of ?
- 39.
Which element is used to remove the permanent hardness of water?
- 40.
Which chemical is used for purification (purity) of water?