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प्रश्न
Give a reason why boiled water tastes flat.
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उत्तर
Boiled water loses the gases and mineral and the water tastes flat.
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संबंधित प्रश्न
Give two example of Solvent other than water.
Discuss the importance of water as a solvent for plants.
'Water is the universal solvent'. Comment.
How is air dissolved in water different from ordinary air?
Explain why:
Ice at zero degrees centigrade has greater cooling effect than water at 0oC.
Explain the terms:
Solvent
In which of the following substances will there be
Increase in mass
In which of the following substances will there be
No change in mass when they are exposed to air?
Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals
What is soap? For what is it used?
Give a reason why water is called a ‘universal solvent’ but, an alkali is not.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Give a reason for the following.
Water is a universal solvent.
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.
Sheela, Saima and Ravi have to dissolve maximum amount of sugar in the same amount of milk so as to win in a game. Ravi took hot boiling milk while Saima took ice cold milk. Sheela managed to get milk at room temperature. Whom do you think would win the game and why?
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 |
