Advertisements
Advertisements
प्रश्न
Paheli’s mother made a concentrated sugar syrup by dissolving sugar in hot water. On cooling, crystals of sugar got separated. This indicates a
विकल्प
a physical change that can be reversed.
the chemical change that can be reversed.
a physical change that cannot be reversed.
the chemical change that cannot be reversed.
उत्तर
a physical change that can be reversed.
Explanation:
Mixing of sugar in water is a physical change and crystals of sugar can be separated from a supersaturated solution hence it is a reversible change.
APPEARS IN
संबंधित प्रश्न
State the various conditions that favour the process of evaporation.
A burning candle shows both physical and chemical changes. Explain ?
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
State whether the following is physical or chemical change.
Digestion of food —
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Fill in the blank.
The process of a liquid changing into a solid is called ________
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Periodic and non-periodic change
Give the reason why the following is considered as chemical changes.
Sulphur when burnt in air evolves a gaseous acidic product.
Filling up a balloon with hot air is a _______ change.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.