Chemistry
When you put some ice cubes in a glass droplets of water are formed on the outer wall of the glass. This explains the phenomenon of:
- melting
- freezing
- condensation
- evaporation
Phy & Chem Changes
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Answer
condensation
Reason — Water vapour present in air when comes in contact with the outer wall of the cold glass condenses to form water droplets.
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Related Questions
Write True or False against the following statements:
(a) Cutting of paper into pieces is a chemical change.
(b) Rusting of iron is a chemical change.
(c) Earthquake is a desirable change.
(d) Melting of ice is a physical change.
(e) Burning of sugar is a temporary change.
A substance which cannot sublime is:
- iodine
- camphor
- sugar
- dry ice
Burning is a:
- slow process
- fast process
- natural process
- none of the above
Which one of the following is volatile in nature?
- common salt
- petrol
- water
- milk