Differentiate between homogeneous and heterogeneous mixtures with examples.
(N/A) Homogeneous mixture:
$1$. Its constituent particles cannot be seen easily.
$2$. There are no visible boundaries of separation in a homogeneous mixture.
$3$. Its constituents cannot be easily separated.
$4$. Examples: Alloys,solution of salt in water,etc.
Heterogeneous mixture:
$1$. Its constituent particles can be seen easily.
$2$. It has visible boundaries of separation between the constituents.
$3$. Its constituents can be separated by simple physical methods.
$4$. Examples: Mixture of sand and common salt,mixture of sand and water,etc.
$1$. Its constituent particles cannot be seen easily.
$2$. There are no visible boundaries of separation in a homogeneous mixture.
$3$. Its constituents cannot be easily separated.
$4$. Examples: Alloys,solution of salt in water,etc.
Heterogeneous mixture:
$1$. Its constituent particles can be seen easily.
$2$. It has visible boundaries of separation between the constituents.
$3$. Its constituents can be separated by simple physical methods.
$4$. Examples: Mixture of sand and common salt,mixture of sand and water,etc.
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Try segregating the things around you as pure substances or mixtures.
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View SolutionWhich of the following materials fall in the category of a 'pure substance'?
$(a)$ Ice $(b)$ Milk $(c)$ Iron $(d)$ Hydrochloric acid $(e)$ Calcium oxide
$(f)$ Mercury $(g)$ Brick $(h)$ Wood $(i)$ Air.
$(a)$ Ice $(b)$ Milk $(c)$ Iron $(d)$ Hydrochloric acid $(e)$ Calcium oxide
$(f)$ Mercury $(g)$ Brick $(h)$ Wood $(i)$ Air.
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View SolutionWhich separation techniques will you apply for the separation of the following?
$(a)$ Oil from water.
$(b)$ Tea leaves from tea.
$(c)$ Iron pins from sand.
$(d)$ Wheat grains from husk.
$(e)$ Fine mud particles suspended in water.
$(a)$ Oil from water.
$(b)$ Tea leaves from tea.
$(c)$ Iron pins from sand.
$(d)$ Wheat grains from husk.
$(e)$ Fine mud particles suspended in water.
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View SolutionPragya tested the solubility of four different substances at different temperatures and collected the data as given below (results are given in the following table,as grams of substance dissolved in $100 \,g$ of water to form a saturated solution).
Substance Dissolved $283 \,K$ $293 \,K$ $313 \,K$ $333 \,K$ $353 \,K$ Potassium nitrate $21$ $32$ $62$ $106$ $167$ Sodium chloride $36$ $36$ $36$ $37$ $37$ Potassium chloride $35$ $35$ $40$ $46$ $54$ Ammonium chloride $24$ $37$ $41$ $55$ $66$
$(a)$ What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in $50 \,g$ of water at $313 \,K$?
$(b)$ Pragya makes a saturated solution of potassium chloride in water at $353 \,K$ and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain.
| Substance Dissolved | $283 \,K$ | $293 \,K$ | $313 \,K$ | $333 \,K$ | $353 \,K$ |
| Potassium nitrate | $21$ | $32$ | $62$ | $106$ | $167$ |
| Sodium chloride | $36$ | $36$ | $36$ | $37$ | $37$ |
| Potassium chloride | $35$ | $35$ | $40$ | $46$ | $54$ |
| Ammonium chloride | $24$ | $37$ | $41$ | $55$ | $66$ |
$(a)$ What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in $50 \,g$ of water at $313 \,K$?
$(b)$ Pragya makes a saturated solution of potassium chloride in water at $353 \,K$ and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain.
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