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how can you seperate two immiscible liquids ?
state some examples of diffusion in solid, gases, liquid
is air a mixture or compound? give 3 reasons.
(d) Sol is a liquid-solid colloid and Gel is a solid-liquid colloid
what is crystallization?
(a) How can we separate a mixture of two miscible liquids ?
Is coal a mixture, element or compound?
10 difference between 3 states of matter
(d) Blood is a compound and sea water is a mixture
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
does chalk powder dissolves in water if not why??
why do liquids flow ? Explain .
(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?
State three reasons why you think air is a mixture and water is a compound.
identify solute and solvent in 80% of solution in ethyl alcohol with water
Differentiate between miscible and immiscible liquids..
difference between aqueous and non aqueous solutions?
define aerosol, emulsion, sol, gel
List out the difference between Solution,Suspension and Colloidal Sollution in all aspects.
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?
why iron sulphide is a compound and not a mixture?
Is growth ofbody (human) a physical change or a chemical change?
what happens when a saturated solution is further heated???????????
what does a solution expressed as 3.5% mass by volume mean????????????
is muddy water a colloidal solution or a suspension ?
what are the uses of sublimation in daily life( any three uses)?
charge of one electron is 1.6022 * 10^-19 coulomb. what is the total charge on 1 mole of electron?if there is same amountof charge on one proton, calculate total charge on 1 mole of protons.
draw a flow chart showing the separation of componets of air. Also, name this process?
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
Sheela heated a mixture of iodine and commom salt by keeping an inverted funnel on it. After sometime what will she observe ?A) white fumes come out form the mixture.B) violet particles deposit on the neck of the funnel.C) white particles deposit on the nect of the funnel.D)a gas with popping soung comes out.
WHAT DO U MEAN BY BULK PHENOMENON
what are the similarities and differences between evaporation and boiling ? (please give at least 5 points)
define colloidal solution....???
the quantity of sodium chloride dissolved in 100g of water at 310 K will be :
(a) more than 36g.
(b) less than 36g.
give reason for your answer.
pleaseee helpp !!!
rate of evaporation of aqueous solution decreases with increases in humidity?why.
a solution is prepared by addition of 10g of salt in 100g water. to make the concentrarion of the solution 15%(w/w), the amount of salt to the solution is approximately what
what is the difference between true solution,suspension,colloidal sol ? I want detailed information
explain why water is compound
What are the uses of Centrifugation in daily life? (Pls. mention at least five examples)
write any 2 applications of chromatography
5g of sugar is dissolved in 250 ml of solution.Calculate its mass % by volume
What is the difference in apparatus used for distillation and fractional distillation ?
What happens when dilute HCl is poured on a mixture of iron and sulphur.
Calculate the mass of glucose and water required to make 250g of 25% solution of glucose.
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
Classify the following into elements, compound and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, water, chalk.
with the help of labelled diagram describe an activity to separate a mixture containing ammoniun chloride and salt
name the process by which common salt is obtained from sea water.
the rate of diffusion of liquids is higher than that of solids. why?
a growing tree is chemical or phycal change..??
Which gas forms the liquid first as the air is cooled?
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
How would the presence of sodium chloride in water effect its evaporation tendency ?
Which of the following shows Tyndall effect?
a.) lime juice
b.) tincture iodine
c.) starch solution
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?
Calculate the mass of water and mass of glucose required to make 250g of 40% solution of glucose??
pls answer as soon as possible!!!!!!!
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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