EASY
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Which of the following statements are false for pure substances?

(i)  pure substances contain only one kind of particles.

(ii) Pure substances may be compounds or mixtures.

(iii) Pure substances have same composition throughout.

(iv) Pure substances can be exemplified by all element other than copper.

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Important Questions on Is Matter around Us Pure?

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Science>Chemistry>Is Matter around Us Pure?>Mixture
Fog is a colloidal solution of  
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Which one of the following is not a homogeneous mixture?
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Which one of the following will show Tyndall Effect.
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Distilled water is _____ of the electricity.
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Milk is the example of the following type of colloid
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Science>Chemistry>Is Matter around Us Pure?>Mixture
The alloy nichrome contains
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Which one of the following alloy does not contain copper?
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Science>Chemistry>Is Matter around Us Pure?>Mixture
_____ is not an example of Aerosol.
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Science>Chemistry>Is Matter around Us Pure?>Mixture
A mixture of sulphur and carbon disulphide is:
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Science>Chemistry>Is Matter around Us Pure?>Mixture

Consider the elements of group-14. Choose the correct alternative:

a) Si and Ge are semiconductors

b) Carbon and silicon are non-metals

c) Sn and Pb are metals

d) Si and Ge are metalloids

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Science>Chemistry>Is Matter around Us Pure?>Mixture
Which of the following is not a pure substance?
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Sodium chloride is considered as a pure substance because
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Science>Chemistry>Is Matter around Us Pure?>Mixture

A single substance of a definite composition is called a/an _____.

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Science>Chemistry>Is Matter around Us Pure?>Mixture

Which of the following is NOT a pure substance ?

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Science>Chemistry>Is Matter around Us Pure?>Mixture
A pure substance consists of only one type of
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Science>Chemistry>Is Matter around Us Pure?>Mixture

What is meant by a pure substance?

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Science>Chemistry>Is Matter around Us Pure?>Mixture
Can we regard milk as a pure substance?
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Is sugar a pure or impure substance?
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Carbon burns in oxygen to form carbon dioxide. The properties of carbon dioxide are-
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Science>Chemistry>Is Matter around Us Pure?>Mixture
Which of the following statements is not correct -