MEDIUM
Earn 100

Distinguish between material and substance.

Important Questions on Elements, Compounds and Mixtures

EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Can we regard milk as a pure substance?
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Try segregating the things around you as pure substances or mixtures.
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following statements is not correct -
HARD
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following is not a pure substance?
HARD
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
How would you confirm that a colourless liquid given to you is pure water?
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

What is meant by a pure substance?

EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Is sugar a pure or impure substance?
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Carbon burns in oxygen to form carbon dioxide. The properties of carbon dioxide are-
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Explain pure substance with examples.
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following can be classified as a pure substance ?
HARD
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Sodium chloride is considered as a pure substance because
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

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

EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

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

EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
A pure substance consists of only one type of
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

Which of the following is NOT a pure substance ?

HARD
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
How is matter classified on the basis of the chemical constitution?
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following is not a compound
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following can be classified as a pure substance?
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

______ is a basic form of matter that cannot be broken down into simpler substances by chemical reactions.

EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
What is a pure substance?