Advertisements
Advertisements
प्रश्न
How do the solubility of a solid and a gas affected by Increase in temperature.
उत्तर
Solubility of a solid solute generally increases with an increase in temperature. This makes it possible to prepare supersaturated solutions.
Solubility of a gas decreases with an increase in temperature.
APPEARS IN
संबंधित प्रश्न
Give two examples of Drying agent.
Why is sea water salty ?
What do you mean by solubility of a solute in a solvent ?
What is the importance of dissolved salts in water?
Explain why boiled or distilled water tastes flat.
Explain why:
Ice at zero degrees centigrade has greater cooling effect than water at 0oC.
Explain the terms:
Solute
Explain the terms:
Solvent
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
What is soap? For what is it used?
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Explain the importance of dissolved salts in water.
Take two pots with similar plants. Water one of the plants with tap water and the other with seawater. Record your findings and note the difference observed.
State whether the following statement is true or false.
Water can be separated from salt by evaporation.
Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.
| Alum | tub | muslin cloth | gas stove | thread | pan and lid |
