A pure substance can only be:

a compound

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an element

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a mixture

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A or B

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Solution

The correct option is D A or B
A pure substance is a substance in which only one type of atom or molecule is present. For example, water, sulphur, sucrose(pure), helium etc.
Hence, a pure substance can only be an element or a compound.
Hence, the answer is option $D$ .

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Similar questions

Q. Which of the following statements are true for pure substances ?
(i) pure substances contain only one kind of particles
(ii) pure substances may be compounds or mixtures
(iii) pure substances have the same composition throughout
(iv) pure substances can be exemplified by all elements other than nickel

(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iii)

Q. A .............. (mixture/compound) is a pure substance containing two or more (elements/compounds) in a fixed proportion.

Q. There are very few pure elements or compounds around us. Most substances are mixtures. True or false?

Q. Most of the substances we see around us are
(a) pure elements.
(b) pure compounds.
(c) impure elements.
(d) mixtures.

A/an ___________ is a simple substance which cannot be further divided into one or more pure components by any chemical means. Whereas, a/an ___________ is a chemical combination of two or more simple substances.

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A pure substance can only be:

The correct option is D A or BA pure substance is a substance in which only one type of atom or molecule is present. For example, water, sulphur, sucrose(pure), helium etc.Hence, a pure substance can only be an element or a compound.Hence, the answer is option D.

The correct option is D A or B
A pure substance is a substance in which only one type of atom or molecule is present. For example, water, sulphur, sucrose(pure), helium etc.
Hence, a pure substance can only be an element or a compound.
Hence, the answer is option $D$ .