Chemistry
A substance which cannot sublime is:
- iodine
- camphor
- sugar
- dry ice
Phy & Chem Changes
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Answer
sugar
Reason — Sugar is not a sublime substance because it does not directly changes into vapour on heating.
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Related Questions
Match the following:
Column A Column B (a) Evaporation of water (i) Non-periodic change (b) Milk turning sour (ii) Periodic change (c) Earthquake (iii) Chemical change (d) Change of seasons (iv) Physical change (e) Glowing of bulb (v) Reversible change 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.
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
Burning is a:
- slow process
- fast process
- natural process
- none of the above