Chemistry
Answer
(a) A solution is a homogeneous mixture of two or more substances whose composition can be varied.
(b) A solute is a substance that dissolves in other substances. It is in a smaller quantity in the solution.
(c) A solvent is a medium in which a solute dissolves. It is in a larger quantity in a solution.
Related Questions
Classify the following into solutions, colloids and suspensions :
Sugar and water, chalk and water, milk, sand and water, salt and water, soap solution.
Name the gas produced when:
(a) steam is passed over hot coke.
(b) chlorine is dissolved in water and exposed to sunlight.
(c) a piece of calcium is added to water.
(d) when fossil fuel is burnt.
What is meant by:
(a) Unsaturated
(b) Saturated and
(c) Supersaturated solutions.
How do the solubility of a solid and a gas gets affected by:
(a) Increase in temperature?
(b) Increase in pressure?