Advertisements
Advertisements
Question
Suggest separation technique(s) one would need to employ to separate the following mixture.
Common salt, water and sand
Advertisements
Solution
Filtration will separate salt solution (salt and water) and sand. Evaporation of salt solution will separate salt from the solution.
APPEARS IN
RELATED QUESTIONS
Compare the properties of metals and non-metals with respect to
- alleability
- ductility
- electrical conductivity.
What is meant by (i) homogeneous mixtures, and (ii) heterogeneous mixtures ? Give two examples of homogeneous mixtures and two of heterogenous mixtures.
When a mixture of iron powder and sulphur powder is heated strongly to form iron sulphide, then heat energy is :
A mixture of sulphur and carbon disulphide is :
Select homogeneous and heterogeneous mixtures from the following:
The salt solution, petrol, and water, sand, and charcoal, alcohol and water, air dissolved in water, air, seawater, fruit juices, mist, brass.
Define the following:
Impure substance
Give two examples of the following type of mixture.
liquid-gas
Tick (√) the correct alternative from the choice given for the following statement:
Example of a homogeneous mixture is
Milk is a ______.
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
