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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
Discuss the importance of water as a solvent for our body .
'Water is the universal solvent'. Comment.
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.
Select the correct answer from the choice given in the options.
A deliquescent salt of a divalent metal _____.
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 |
