Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence
The dissolution of lead nitrate in water is deemed as a _________ change.
विकल्प
physical
chemical
Advertisements
उत्तर
The dissolution of lead nitrate in water is deemed as a physical change.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Tick the most appropriate answer.
3. Physical changes are
- permanent.
- periodic,
- temporary
- irreversible.
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
State whether the following is physical or chemical change.
Digestion of food —
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
True or false
Is the process of digestion a physical change?
Write true or false
Burning of paper and formation of curd are reversible changes.
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.
Slow and fast change.
State which of the following terms connected with change of state of matter i.e.
(a) Melting
(b) Vaporisation
(c) Condensation
(d) Freezing
pertain to –
- Conversion of a liquid into a vapour or gas.
- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
Water is the universal solvent. Why?
