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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.
What are the observations and conclusions when tap water is boiled and evaporated in watch glass?
How is air dissolved in water different from ordinary air?
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 term:
Solute
Explain the terms:
Solvent
State the term: (Do not give examples)
A solution where solvent is a liquid other than water.
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?
What is the advantage of a detergent over soap?
Why does the hardness of water render it unfit for use in a boiler.
Give a reason why water is called a ‘universal solvent’ but, an alkali is not.
Select the correct answer from the choice given in the options.
A deliquescent salt of a divalent metal _____.
Give a reason for the following.
Water is a universal solvent.
Aquatic plants make use of dissolved ______ for photosynthesis.
Explain the importance of dissolved salts in water.
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 |
