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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 examples of Drying agent.
Give two example of Solvent other than water.
Discuss the importance of water as a solvent for our body .
Discuss the importance of water as a solvent for plants.
Explain the term:
Solute
State the term: (Do not give examples)
A solution where solvent is a liquid other than water.
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
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?
Why does the hardness of water render it unfit for use in a boiler.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Select the correct answer from the choice given in the options.
A deliquescent salt of a divalent metal _____.
What insoluble substance? Give examples.
Aquatic plants make use of dissolved ______ for photosynthesis.
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 |
