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Define the emulsion. Give one example.
Concept: undefined >> undefined
Define the emulsion. Give one example.
Concept: undefined >> undefined
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Define Foam Give one example.
Concept: undefined >> undefined
Define Foam Give one example.
Concept: undefined >> undefined
What is meant by the concentration of a solution ?
Concept: undefined >> undefined
What is meant by the concentration of a solution ?
Concept: undefined >> undefined
What will happen if a saturated solution is :
- heated
- cooled
Concept: undefined >> undefined
What will happen if a saturated solution is :
- heated
- cooled
Concept: undefined >> undefined
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Concept: undefined >> undefined
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Concept: undefined >> undefined
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Concept: undefined >> undefined
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Concept: undefined >> undefined
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
Concept: undefined >> undefined
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
Concept: undefined >> undefined
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Concept: undefined >> undefined
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Concept: undefined >> undefined
Define solubility of a substance. How does it vary with temperature ?
Concept: undefined >> undefined
Define solubility of a substance. How does it vary with temperature ?
Concept: undefined >> undefined
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
Concept: undefined >> undefined
What do you understand by the statement " the solubility of copper sulphate in water at 20°C is 20.7 g" ?
Concept: undefined >> undefined
