Chemistry
Select the odd one out from the following:
(a) Salt solution, sugar solution, water and alcohol, sand and water
(b) Chalk and sand, water and petrol, iron and sulphur, salt and water
(c) Gold, iron sulphide, milk, water
Answer
(a) Sand and water
Reason — Sand and water is a heterogeneous mixture, while others are homogeneous mixture.
(b) Salt and water
Reason — Salt and water is a homogeneous mixture, others form heterogeneous mixture.
(c) Milk
Reason — Milk is a mixture, whereas, iron sulphide, gold and water are pure substances.
Related Questions
Identify the mixtures and compounds from the following list:
Air, water, sugar, salt, milk, tea, alcohol, honey, soil, glucose.
Select homogeneous and heterogeneous mixtures from the following:
Salt solution, petrol and water, sand and charcoal, alcohol and water, air dissolved in water, air, sea water, fruit juices, mist, brass.
Give two examples for each of the following types of mixtures.
(a) solid-solid
(b) solid-liquid
(c) liquid-gas
(d) gas-gas
Name the components present in the following mixtures:
(a) Brass
(b) Duralumin
(c) Tap water
(d) Bronze