Which of the following components when added to water followed by vigorous stirring form a true solution , suspension or a colloid? soap ,ferrous sulphate, calcium carbonate , barium chloride , starch ,wheat flour

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Solution

$S o a p - C o l l o i d F e S O_{4} - T r u e s o l u t i o n C a C O_{3} - S u s p e n s i o n B a C l_{2} - T r u e s o l u t i o n S t a r c h - C o l l o i d W h e a t f l o u r - S u s p e n s i o n$

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Write the balanced chemical equations for the following reactions.
(A) Calcium hydroxide + Carbon dioxide → Calcium carbonate + water
(B) Zinc + Silver nitrate → Zinc nitrate + Silver
(C) Aluminium + copper chloride → Aluminium chloride + Copper
(D) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride.

Q. Write balanced chemical equations for each of the following reactions
1. Carbon dioxide Marble dissolves in hydrochloric acid to give calcium chloride water and carbon dioxide
2. Silver nitrate reacts with copper to produce copper nitrate and silver metal
3. Carbon dioxide gas is passed over lime water to form a precipitate of calcium carbonate
4. Aluminium Sulphate acts with Sodium Hydroxide to form precipitate of aluminium hydroxide and the solution of sodium sulphate
5. Barium Chloride solution reacts with sulphuric acid to form precipitate of Barium sulphate and solution of hydrochloric acid.

What happens when barium chloride solution is added to sodium sulphate solution?

What do you observe when

(a) dilute sulphuric acid is added to granulated zinc ?

(b) a few pieces of iron are dropped in a blute solution of sodium chloride ?

(d) ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.

(e) solid lead nitrate is heated ?

(f) when dilute sulphuric acid is added to barium chloride solution ?

Account for the following and give reason - Calcium chloride forms a white coloured suspension on adding water .

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Which of the following components when added to water followed by vigorous stirring form a true solution , suspension or a colloid? soap ,ferrous sulphate, calcium carbonate , barium chloride , starch ,wheat flour

Soap - ColloidFeSO4 - True solutionCaCO3 - SuspensionBaCl2 - True solutionStarch - ColloidWheat flour - Suspension

$S o a p - C o l l o i d F e S O_{4} - T r u e s o l u t i o n C a C O_{3} - S u s p e n s i o n B a C l_{2} - T r u e s o l u t i o n S t a r c h - C o l l o i d W h e a t f l o u r - S u s p e n s i o n$