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प्रश्न
Give a reason why water droplets appear on the outer surface of a tumbler containing ice.
उत्तर
Water vapour present in air, condenses on the cooler surface of the tumbler. Hence they condenses into tiny water droplets.
संबंधित प्रश्न
What are the causes of air pollution?
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Classify Calcium oxide. Also give a balanced equation to prepare it.
Write fully balanced equation for the following :
CO2 + H2O →
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
How will you prove that soil contains air in it?
The constituent of air that supports combustion is _____.
Nitrogen is about two times more soluble in water than oxygen.
