Which of the Following Statements Are True for Pure Substances ? - Science

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MCQ

Which of the following statements are true for pure substances ?

  1. pure substances contain only one kind of particles
  2. pure substances may be compounds or mixtures
  3. pure substances have the same composition throughout
  4. pure substances can be exemplified by all elements other than nickel

Options

  • (i) and (ii)

  • (i) and (iii)

  • (iii) and (iv)

  • (ii) and (iii)

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Solution

 (i) and (iii)

A pure substance is made up of only one kind of particles like elements. The composition of pure compounds is also same throughout.

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Chapter 2: Is Matter around us Pure - Intext Questions [Page 12]

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NCERT Science Class 9
Chapter 2 Is Matter around us Pure
Intext Questions | Q 1. | Page 12
Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 67 | Page 59

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