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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.
what is crystallization?
(a) How can we separate a mixture of two miscible liquids ?
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.
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.
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?
if 2.5g of a solute are dissolved in 25g of water to form a saturated solutio at 298 K,the solubility of the solute is____
what happens when a saturated solution is further heated???????????
what does a solution expressed as 3.5% mass by volume mean????????????
what are the uses of sublimation in daily life( any three uses)?
How can you change a saturated solution to unsaturated without adding any more solvent to it
draw a flow chart showing the separation of componets of air. Also, name this process?
pls answer......
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
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....???
Is coal a mixture, element or compound?
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
Is growth ofbody (human) a physical change or a chemical change?
explain why water is compound
how is
True solution stable
Colloid is stable
and Suspension is unstable.
What are the uses of Centrifugation in daily life? (Pls. mention at least five examples)
YOU ARE PROVIDED WITH A SOLUTION OF SUBSTANCE "X". HOW WILL YOU TEST WHETHER IT IS SATURATED OR UNSATURATED WITH RESPECT TO "X" AT A GIVEN TEMPERATURE? WHAT HAPPENS WHEN A HOT SATURATED SOLUTION IS ALLOWED TO COOL?
write any 2 applications of chromatography
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.
the spaces between the constituent particles are maximum in gases
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
Differentiate between soda water, milk and muddy water based on
a) homogeneity
b)filtration
c)tyndall effect
Answers fast if possible! :)
with the help of labelled diagram describe an activity to separate a mixture containing ammoniun chloride and salt
a solution has been prepared by dissolving 5g of urea in 95g of water. What is the mass percent of urea in the solution?
pls answer fastly!!
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.
difference between plasma and BEC
Which gas forms the liquid first as the air is cooled?
Calculate the mass of glucose and water required to make 250g of 25% solution of glucose.
WHY DO OUR PALM FEEL COLD IF WE PUT SOME ACETONE OR PERFUME ON IT.?????
why iron sulphide is a compound and not a mixture?
on suffering from fever which will lower down your body temperature more ice or ice cold water ?why?
how much water should be added to 50g glucose to obtain 12% glucose solution
Classify the following into elements, compound and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, water, chalk.
HOW CAN U OBTAIN PURE COPPER SULPHATE FROM IMPURE SAMPLE?
does chalk powder dissolves in water if not why??
define evaporation
(d) Blood is a compound and sea water is a mixture
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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Syllabus
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.
what is crystallization?
(a) How can we separate a mixture of two miscible liquids ?
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.
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.
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?
if 2.5g of a solute are dissolved in 25g of water to form a saturated solutio at 298 K,the solubility of the solute is____
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
what happens when a saturated solution is further heated???????????
what does a solution expressed as 3.5% mass by volume mean????????????
what are the uses of sublimation in daily life( any three uses)?
How can you change a saturated solution to unsaturated without adding any more solvent to it
draw a flow chart showing the separation of componets of air. Also, name this process?
pls answer......
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
WHAT DO U MEAN BY BULK PHENOMENON
what are the similarities and differences between evaporation and boiling ? (please give at least 5 points)
1) what could be X
2) name the material Y
3) name the process Z
4) which process you would use to recover both the components X and Y from tincture of iodine .
define colloidal solution....???
Is coal a mixture, element or compound?
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
Is growth ofbody (human) a physical change or a chemical change?
explain why water is compound
how is
True solution stable
Colloid is stable
and Suspension is unstable.
What are the uses of Centrifugation in daily life? (Pls. mention at least five examples)
YOU ARE PROVIDED WITH A SOLUTION OF SUBSTANCE "X". HOW WILL YOU TEST WHETHER IT IS SATURATED OR UNSATURATED WITH RESPECT TO "X" AT A GIVEN TEMPERATURE? WHAT HAPPENS WHEN A HOT SATURATED SOLUTION IS ALLOWED TO COOL?
write any 2 applications of chromatography
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.
the spaces between the constituent particles are maximum in gases
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
Differentiate between soda water, milk and muddy water based on
a) homogeneity
b)filtration
c)tyndall effect
Answers fast if possible! :)
with the help of labelled diagram describe an activity to separate a mixture containing ammoniun chloride and salt
a solution has been prepared by dissolving 5g of urea in 95g of water. What is the mass percent of urea in the solution?
pls answer fastly!!
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.
difference between plasma and BEC
Which gas forms the liquid first as the air is cooled?
Calculate the mass of glucose and water required to make 250g of 25% solution of glucose.
WHY DO OUR PALM FEEL COLD IF WE PUT SOME ACETONE OR PERFUME ON IT.?????
Answer in both cases
(It is practical based question)
why iron sulphide is a compound and not a mixture?
on suffering from fever which will lower down your body temperature more ice or ice cold water ?why?
how much water should be added to 50g glucose to obtain 12% glucose solution
Classify the following into elements, compound and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, water, chalk.
HOW CAN U OBTAIN PURE COPPER SULPHATE FROM IMPURE SAMPLE?
does chalk powder dissolves in water if not why??
define evaporation
(d) Blood is a compound and sea water is a mixture
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