Distinguishing Between Solutions (Viva Voce) : Class 9 : Chemistry : Amrita Online Lab

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Distinguishing Between Solutions

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	1)	Which one of the following is a colloid?
		Chalk in water Sodium chloride in water Sugar in water Milk

	2)	A solution is transparent blue. It is ___________.
		A suspension A colloid A true solution Both a colloid and a true solution

	3)	Which one of the following gives translucent filtrate?
		Colloids Suspensions Solid solutions Liquid solutions

	4)	When egg white is mixed with water and stirred slowly, what does it form?
		A true solution Suspension Does not mix Colloid

	5)	In a suspension, the particles _________.
		Are invisible Remain suspended in solution Remain suspended, then settle down Float

	6)	How should we prepare a colloidal solution of starch?
		Add starch powder to boiling water and then cool. Add starch powder to cold water and then boil. Heat starch powder, add it to cold water and then bring to boil. Add a thin paste of starch to boiling water while stirring.

	7)	Which of the following pass through filter paper unchanged?
		Suspension True solution Both suspension & true solution None of them

8)

In an experiment, the following substances are added to water. Which shows the substance that forms a true solution?

9)

The following substances are added to water in a beaker as shown below. The mixture is stirred well. A true solution is found in the beaker showing which substance?

	10)	From which of the following can one component be separated by filtration?
		Cane sugar and water Starch and water Chalk powder and water Alum and water

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