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प्रश्न
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
उत्तर
Carbon dioxide.
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संबंधित प्रश्न
'Water is the universal solvent'. Comment.
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 terms:
Solute
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
No change in mass when they are exposed to air?
Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals
Aquatic plants make use of dissolved ______ for photosynthesis.
Explain the importance of dissolved salts in water.
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.
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 |
