Advertisements
Advertisements
Question
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
Solution
Soap solution is a sol. Sol is a colloid in which tiny solid particles are dispersed in a liquid medium.
APPEARS IN
RELATED QUESTIONS
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Name a non-metal which is a good conductor of electricity.
The three important metalloids are.............................. and ..........................
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
On the basis of composition of matter, milk is considered to be :
Choose the correct answer.
A 5 per cent sugar solution means that :
What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?
Define Sol and give one example.
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Name the source from which nitrogen and oxygen are obtained on a large scale.
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
How will you separate a mixture containing sand and sugar ?
Pure copper sulphate can be obtained from an impure sample by the process of :
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Which among the following is not a matter?
Atoms or groups of atoms having a charge are called ______.
Higher the temperature, the higher the kinetic energy of particles.