Advertisements
Advertisements
Question
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.
Options
physical
chemical
Advertisements
Solution
The dissolution of lead nitrate in water is deemed as a physical change.
APPEARS IN
RELATED QUESTIONS
Dissolving salt in water is a reversible change.
State the differences between a physical change and a chemical change.
Classify the following changes as physical or chemical:- melting of a solid (wax)
What are reversible and irreversible changes ? Give one example for each.
A burning candle shows both physical and chemical changes. Explain ?
State whether the following is physical or chemical changes.
burning of sugar —
State whether the following is physical or chemical changes.
respiration in living beings —
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Give reasons why – separation of mixtures e.g. iron from a mixture of iron and sulphur is a physical change, but heating a mixture of iron and sulphur is considered a chemical change.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
