WorksheetsIs Matter Around Us Pure
Total questions: 11
Worksheet time: 6mins
Emulsion is a colloidal solution of liquid in
Solid
Gases
Liquid
None of these
Particles of which are visible in naked eyes
Mixture
Colloidal solution
Suspension
None of these
Milk is a ________ solution while vinegar is a _________ solution
suspension,colloid
colloid,suspension
true,colloid
colloid,true
A true solution is a
Homogeneous mixture
Heterogeneous mixture
Pure compound
Impure compound
Tincture of iodine is made by dissolving
Iodine in potassium iodide
Iodine in Vaseline
Iodine in water
Iodine in alcohol
Motion of particles in a colloidal solution is called
Rectilinear motion
Brownian motion
Circular motion
Oscillatory motion
Dispersed phase of gel is
Solid
Liquid
Gas
Plasma
Particles size in colloids range from
1nm-100nm
10nm-1000nm
1nm-1000nm
50nm-5000nm
Which of these is a chemical change?
Tearing of paper
Growing of humans
Breaking glass
Squeezing sponge
This is a colloid
True
False
What will you use to solve: [Find the concentration of a solution with 40g of salt in 320g of water]
Mass/Volume%
Volume/Volume%
Mass/Mass%
Volume/Mass%
