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how can you seperate two immiscible liquids ?
Which of the following shows Tyndall effect?
a.) lime juice
b.) tincture iodine
c.) starch solution
state some examples of diffusion in solid, gases, liquid
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
why is crystallization technique better than evaporation
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.
how will u separate common salt ,sulphur powder n sand from their mixture
What is the dispersed phase and the dispersion medium in milk?
why do liquids flow ? Explain .
Is coal a mixture, element or compound?
State three reasons why you think air is a mixture and water is a compound.
Sucrose (sugar) crystals obtained from sugarcaneand beetroot are mixed together.Will it be a pure substance or a mixture?Give reasons for the same
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.
If we mix chalk in water it will also show Tyndall Effect right?
melting of wax is a physical change whereas burning of candle is a chemical change why?
what is the difference between sol,gel and emulsion?
find out the mass by volume % of 15% of sulphuric acid. find out it by volume% and convert it into mass%.if the given density is 1.02g/ml .
what are the uses of sublimation in daily life( any three uses)?
how can i prepare a saturated solution of sodium chloride in water at 25 degree celcius? what will happen if this solution is cooled at 10 degree celcius ?
what happens when a saturated solution is further heated???????????
what does a solution expressed as 3.5% mass by volume mean????????????
Is growth ofbody (human) a physical change or a chemical change?
draw a flow chart showing the separation of componets of air. Also, name this process?
water is a compound not a mixture .justify it by giving two reasons
WHAT DO U MEAN BY BULK PHENOMENON
What volume of ethyl alcohol and water must be mixed together to prepare 250 ml of 60% volume by volume solution of alcohol in water.
what are the similarities and differences between evaporation and boiling ? (please give at least 5 points)
explain why sodium chloride solution is regarded as a mixture while sodium chloride itself is a pure substance
define colloidal solution....???
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
How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water
explain why water is compound
write any 2 applications of chromatography
What is the difference in apparatus used for distillation and fractional distillation ?
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
Which method is better for recovering sugar from sugar solution (evaporation/crystallization) Give reason for your answer.
What happens when dilute HCl is poured on a mixture of iron and sulphur.
What are the uses of Centrifugation in daily life? (Pls. mention at least five examples)
with the help of labelled diagram describe an activity to separate a mixture containing ammoniun chloride and salt
the rate of diffusion of liquids is higher than that of solids. why?
Idrntify colloidal solutions from among the following
name the process by which common salt is obtained from sea water.
Which gas forms the liquid first as the air is cooled?
Explain Fig 2.13 (water purification system in water works) step by step.PS: I have seen similar questions on MeritNation but the answers are not step by step. Neither do they explain about WATER WORKS. They just explain the various techniques used.
Looking for a better answer. Hoping for a quick reply :D
Also how does chlorination kill bacteria and not harm us?
Calculate the mass of glucose and water required to make 250g of 25% solution of glucose.
Explain why water is a compound and not a mixture ?
WHY DO OUR PALM FEEL COLD IF WE PUT SOME ACETONE OR PERFUME ON IT.?????
a 5% sugar solution means?
i) 5g of sugar is dissolved in 95g of water
ii) 5g of sugar dissolved in 100g of water
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?
Classify the following into elements, compound and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, water, chalk.
How will you separate camphor, common salt and iron nails from their mixture?
Write 10 activities of Lesson-2 (Is matter around us pure) under following headings
what is the change in momentum of a car weighing 1500 kg when its speed increases from 36 km/h to 72 km/h uniformly?plz do not skip any step show all the step clearly.
How can we separate a mixture of two miscible liquids? Explain and also write the name of method?
Which method is used to separate benzene from water
How 'sea-water' can be classified as a homogeneous as well as heterogeneous mixture ?
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
EXPLAIN why particles of colloidal solution do not settle down when kept undisturbed whereas particles of suspension do settle down?
what is concentration?
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