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Grade 12th passZoology

Which of the following materials fall in the category of a “pure substance”?
(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
(g) Brick
(h) Wood
(i) Air.

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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2 Answers

Profile image of Harshit Singh
5 Years ago
Dear Student

Pure substances are: Ice, iron, hydrochloric acid, calcium oxide and mercury.

Thanks
Profile image of Shraddha Singh
5 Years ago
Dear Student,
 
The following materials fall into category of pure substances :
  • Ice
  • Iron
  • Hydrochloric acid
  • Calcium oxide
  • Mercury
​
Hope it helps!
Thank you ✌️

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