MEDIUM
Earn 100

Distinguish between material and substance.

Important Questions on Elements, Compounds and Mixtures

MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following can be classified as a pure substance ?
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
What is a substance?
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
A homogeneous material, which contains particles of only one kind and has definite set of properties is called:
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following statements is not correct -
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which of the following is not a compound
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Common salt solution is not a pure substance because:
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
Define two types of pure substances. Give three examples of each.
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Name a method to check the purity of a liquid.
HARD
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Define element, compound and mixture. Give two differences between homogeneous and heterogeneous mixtures. Identify each of the following substance as mixture, compound or element:
(i) Sugar
(ii)mercury
(iii) tea
(iv)sulphur
(v) milk
(vi) silver
(vii) table salt 
(viii) wood
(ix) smoke
(x) boron.
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
Carbon burns in oxygen to form carbon dioxide. The properties of carbon dioxide are-
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which is not a pure substance among the following?
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?
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which is not the characteristic of a pure substance?
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
What is meant by a pure substance? Give example. 
EASY
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter
Which is a pure substance among the following?
MEDIUM
Science>Chemistry>Elements, Compounds and Mixtures>Classification of matter

Which of the following is NOT a pure substance ?