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Class 9 Chemistry Chapter 6 MCQs Notes
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Class 9 Chemistry Chapter 6 Solutions MCQs Notes
1: Mist is an example of a solution:
(a) liquid in gas
(b) gas in liquid
(c) solid in gas
(d) gas in solid
2: Which one of the following is a ‘liquid in solid’ solution?
(a) sugar in water
3: Concentration is the ratio of:
(a) solvent to solute
(b) solute to solution
(c) solvent to solution
(d) both a and b
4: Which one of the following solutions contains more water?
(a) 2 M
(b) 1 M
(c) 0.5 M
(d) 0.25 M
5: A 5 percent (w/w) sugar solution means that:
(a) 5 g of sugar is dissolved in 90 g of water
(b) 5 g of sugar is dissolved in 100 g of water
(c) 5 g of sugar is dissolved in 105 g of water
(d) 5 g of sugar is dissolved in 95 g of water
6: If the solute-solute forces are stronger enough than those of solute-solvent forces. The solute:
(a) dissolves readily
(b) does not dissolve
(c) dissolves slowly
(d) dissolves and precipitates.
7: Which one of the following will show a negligible effect of temperature on its solubility?
8: Which one of the following is a heterogeneous mixture?
(c) milk of magnesia
(d) sugar solution
9: Tyndall effect is shown by:
(a) sugar solution
(d) chalk solution
10: Tyndall effect is due to:
(a) blockage of a beam of light
(b) non-scattering of a beam of light
(c) scattering of a beam of light
(d) passing through a beam of light
11: If 10 cm3 of alcohol is dissolved in 100 g of water, it is called:
(a) % w/w
(c) % v/w
12: When a saturated solution is diluted it turns into:
(a) supersaturated solution
(b) unsaturated solution
(c) a concentrated solution
(d) non of these
13: Molarity is the number of moles of solute dissolved in:
(a) 1kg of solution
(b) 100 g of solvent
(c) 1 dm3 of solvent
(d) 1 dm3 of solution
Chemistry Chapter 6 MCQs PDF Download
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