how can you seperate two immiscible liquids ?
(d) Sol is a liquid-solid colloid and Gel is a solid-liquid colloid
state some examples of diffusion in solid, gases, liquid
(d) Blood is a compound and sea water is a mixture
is air a mixture or compound? give 3 reasons.
bar of metal has a mass 200 g and the certain weight mass remain the same when weighted at equator but weight decreases.why?
what is crystallization?
what mass of water must be added to 5g of Nacl to make 5% mass by mass percentage of the solution ?????????.............
(a) How can we separate a mixture of two miscible liquids ?
explain why sodium chloride solution is regarded as a mixture while sodium chloride itself is a pure substance
10 difference between 3 states of matter
what is the difference between distillation and fractional distillation in tabular form?and dont tell mw that go to this link . give me this answer by typing in tabular form.
Is coal a mixture, element or compound?
What is the dispersed phase and the dispersion medium in milk?
(ii) Which food colouring contained the most dyes? (c) Which food colouring did not dissolve in the water? (d) Which method did Gary use to separate the dyes?
why is crystallization technique better than evaporation
a growing tree is chemical or phycal change..??
why do liquids flow ? Explain .
is brick a mixture?
State three reasons why you think air is a mixture and water is a compound.
Is growth ofbody (human) a physical change or a chemical change?
Differentiate between miscible and immiscible liquids..
difference between aqueous and non aqueous solutions?
does chalk powder dissolves in water if not why??
define aerosol, emulsion, sol, gel
List out the difference between Solution,Suspension and Colloidal Sollution in all aspects.
how can you seperate two immiscible liquids ?
(d) Sol is a liquid-solid colloid and Gel is a solid-liquid colloid
state some examples of diffusion in solid, gases, liquid
(d) Blood is a compound and sea water is a mixture
is air a mixture or compound? give 3 reasons.
bar of metal has a mass 200 g and the certain weight mass remain the same when weighted at equator but weight decreases.why?
what is crystallization?
what mass of water must be added to 5g of Nacl to make 5% mass by mass percentage of the solution ?????????.............
(a) How can we separate a mixture of two miscible liquids ?
explain why sodium chloride solution is regarded as a mixture while sodium chloride itself is a pure substance
10 difference between 3 states of matter
what is the difference between distillation and fractional distillation in tabular form?and dont tell mw that go to this link . give me this answer by typing in tabular form.
Is coal a mixture, element or compound?
What is the dispersed phase and the dispersion medium in milk?
He put a drop of each food colouring and the banned food dye onto some special paper. He hung the paper in a beaker of water.
After 10 minutes, the banned food dye and some of the dyes from the food colourings had moved up the paper.Gary’s results are shown below.
(a) Gary wrote the labels on the paper in pencil.Why should he not write them in ink?
(b) Look at Gary’s results.The different dyes in some of the food colourings had moved up the paper.
(i) Which food colouring contained the banned food dye?
(ii) Which food colouring contained the most dyes?
(c) Which food colouring did not dissolve in the water?
(d) Which method did Gary use to separate the dyes?
why is crystallization technique better than evaporation
a growing tree is chemical or phycal change..??
why do liquids flow ? Explain .
is brick a mixture?
State three reasons why you think air is a mixture and water is a compound.
Is growth ofbody (human) a physical change or a chemical change?
Differentiate between miscible and immiscible liquids..
(a) ionic bond
(b) covalent bond
(c) metallic bonding
(d) coordinate bond
difference between aqueous and non aqueous solutions?
does chalk powder dissolves in water if not why??
define aerosol, emulsion, sol, gel
List out the difference between Solution,Suspension and Colloidal Sollution in all aspects.
a)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder
b)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder heated to red hot followed by cooling