HARD
10th Tamil Nadu Board
IMPORTANT
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Write notes on various factors affecting solubility.

Important Questions on Solutions

MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 3
(a) What happens when MgSO4.7H2O is heated? Write the appropriate equation
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 3
 Define solubility.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 4
In what way hygroscopic substances differ from deliquescent substances.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 5
A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 6
3.5 litres of ethanol is present in 15 litres of aqueous solution of ethanol. Calculate volume percent of ethanol solution.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 1
Vinu dissolves  50 g of sugar in 250 ml of hot water, Sarath dissolves 50 g of same sugar in  250 ml of cold water. Who will get a faster dissolution of sugar? and Why?
HARD
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 2
‘A’ is a blue coloured crystalline salt. On heating it loses blue colour and to give ‘B’. When water is added, ‘B’ gives back to ‘A’. Identify A and B, write the equation.
MEDIUM
10th Tamil Nadu Board
IMPORTANT
Science Standard 10>Chapter 9 - Solutions>TEXTBOOK EVALUATION>Q 3
Will the cool drinks give more fizz at top of the hills or at the foot? Explain.