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how can you seperate two immiscible liquids ?
(d) Blood is a compound and sea water is a mixture
state some examples of diffusion in solid, gases, liquid
(d) Sol is a liquid-solid colloid and Gel is a solid-liquid colloid
is air a mixture or compound? give 3 reasons.
what is crystallization?
(a) How can we separate a mixture of two miscible liquids ?
10 difference between 3 states of matter
Is coal a mixture, element or compound?
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.
What is the dispersed phase and the dispersion medium in milk?
why is crystallization technique better than evaporation
why do liquids flow ? Explain .
State three reasons why you think air is a mixture and water is a compound.
is muddy water a colloidal solution or a suspension ?
Differentiate between miscible and immiscible liquids..
difference between aqueous and non aqueous solutions?
Calculate the mass of water and mass of glucose required to make 250g of 40% solution of glucose??
pls answer as soon as possible!!!!!!!
define aerosol, emulsion, sol, gel
What is chromatography? What are its various applications and underline the
List out the difference between Solution,Suspension and Colloidal Sollution in all aspects.
write the steps involved in the process of obtaining pure copper sulphate from an impure sample.
what is the difference between sol,gel and emulsion?
melting of wax is a physical change whereas burning of candle is a chemical change why?
Name the process involved in the following :
1) an acetone bottle is left open and the bottle becomes empty
2) a drop of ink placed on the surface of water contained in a glass spreads throughout the water.
what happens when a saturated solution is further heated???????????
what does a solution expressed as 3.5% mass by volume mean????????????
out of given four mixture, the one that appears clear and transparent is :
what are the uses of sublimation in daily life( any three uses)?
Classify the following into elements, compound and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, water, chalk.
draw a flow chart showing the separation of componets of air. Also, name this process?
What is milk of magnesia?
in our NCERT its given colloid but in other books it is is specified as a suspension also the net says it .So can u tell me about it
explain why sodium chloride solution is regarded as a mixture while sodium chloride itself is a pure substance
water is a compound not a mixture .justify it by giving two reasons
whenb dilute sulphuric acid is added to zinc granules, it is observed that:
options: brown fumes evolve, .bubbles start coming out from the suraface of zinc granules, the reactions mixture truns blue, a yellow colour is formed
WHAT DO U MEAN BY BULK PHENOMENON
does chalk powder dissolves in water if not why??
what are the similarities and differences between evaporation and boiling ? (please give at least 5 points)
identify dispersed phase and dispersion medium in foam and rubber
define colloidal solution....???
why iron sulphide is a compound and not a mixture?
rate of evaporation of aqueous solution decreases with increases in humidity?why.
what is the difference between true solution,suspension,colloidal sol ? I want detailed information
A solution contains 30g of glucose and 20g of sugar in 500 mL of water. Calculate the mass percentage of glucose and sugar. (Density= 1g/mL)
Is growth ofbody (human) a physical change or a chemical change?
explain why water is compound
Calculate the mass of glucose and water required to make 250g of 25% solution of glucose.
What are the uses of Centrifugation in daily life? (Pls. mention at least five examples)
A solution contains 60g of NaCl in 400g of water. Calculate the concentration
write any 2 applications of chromatography
What is the difference in apparatus used for distillation and fractional distillation ?
In cities, drinking water is supplied from water works. Write down the processes involved to get the supply of drinking water to your home from water works.
What happens when dilute HCl is poured on a mixture of iron and sulphur.
suggest separation technique
1,mercury and water
2.potassium chloride and ammonium chloride
3.common salt,water and sand
4.kerosene oil,water and sand
with the help of labelled diagram describe an activity to separate a mixture containing ammoniun chloride and salt
When sodium hydroxide is added to ferric chloride solution,a reddish brown precipitate is formed.The precipitate is separated from the mixture by the process of
A)Evaporation B)Sublimation C)Filtration D)Fractional Distillation
the rate of diffusion of liquids is higher than that of solids. why?
name the process by which common salt is obtained from sea water.
Which gas forms the liquid first as the air is cooled?
what is the solute and solvent in brass
list some more solid solution with theri solvent & solute
WHY DO OUR PALM FEEL COLD IF WE PUT SOME ACETONE OR PERFUME ON IT.?????
on suffering from fever which will lower down your body temperature more ice or ice cold water ?why?
HOW CAN U OBTAIN PURE COPPER SULPHATE FROM IMPURE SAMPLE?
a growing tree is chemical or phycal change..??
How can we separate a mixture of two miscible liquids? Explain and also write the name of method?
how will u separate common salt ,sulphur powder n sand from their mixture
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