Question
What is a colloid? Give two examples of colloids (or colloidal solutions).
✓
Answer
A colloid is a kind of solution in which the size of solute particles is intermediate between those in true solutions and those in suspensions.
Example: Soap solution, milk.
Example: Soap solution, milk.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Define gram molecular mass of a substance. How much is the gram molecular mass of oxygen?
The power output of an engine is 3kW. How much work does the engine do in 20s?
A body of mass $100\ kg$ is lifted up by 10m. Find:
→- The amount of work done.
- Potential energy of the body at that height. (value of g $= 10\ m/s$).
A boy weighing $40\ kg$ carries a box weighing $20\ kg$ to the top of a building $15\ m$ high in $25$ seconds. Calculate the power. $(g = 10m/s^2)$
→Name the three states of matter. Give one example of each.
The frequency of the sound emitted by the lioudspeaker is 1020Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340m/s.
How much work is done when a body of mass m is raised to a height h above the ground?
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.
How was it shown that an atom has a lot of empty space within it?