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प्रश्न
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
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उत्तर
Carbon dioxide.
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संबंधित प्रश्न
Give reason for Table salt becomes moist during rainy season.
Discuss the importance of water as a solvent for plants.
Explain the terms:
Solvent
Explain why:
Lakes and rivers do not suddenly freeze in the winters.
Explain why:
The solute cannot be separated from a solution by filtration.
In which of the following substances will there be
Increase in mass
In which of the following substances will there be
Decrease in mass
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
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?
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 |
