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CHEMISTRY
A pure substance can only be:...

A pure substance can only be:

A

a compound

B

an element

C

an element or a compound.

D

a heterogeneous mixture.

Text Solution

Verified by Experts

The correct Answer is:
C
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OP TANDON-BASIC PRINCIPLES-OBJECTIVE QUE.
  1. The father of modern chemistry is:

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  2. A pure substance can only be:

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  3. A pure substance which contains only one type of atoms is called:

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  4. Which one of the phrases would be incorrect to use?

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  5. A symbol not only represents the name of the element but also its:

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  6. The most abundant metal in earth's crust is:

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  7. The most abundant element in earth's crust is:

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  8. Which one of the elements is not found in nature?

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  9. Which one of the following is not a compound ?

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  10. which one of the following is not an element?

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  11. The direct change from solid to gaseous state is referred to as:

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  12. Sulphur burns in oxygen to form sulphur dioxide . The properties of su...

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  13. One sample of air is found to have 0.03% carbon dioxide and another sa...

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  14. Which one of the following is not a mixture?

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  15. Which of the following is a characteristic property of both mixtures a...

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  16. Which of the following processes results in the formation of a new com...

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  17. Which one of the following is not a chemical change?

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  18. The law of multiple proportions is illustrated by the pair of compound...

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  19. In compound A,1,.0g nitrogen combines with 0.57g oxygen. In compound B...

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  20. Which one is the best example of law of conservation of mass?

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