Advertisements
Advertisements
Question
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Advertisements
Solution
If a change is permanent and irreversible it is considered a chemical change.
APPEARS IN
RELATED QUESTIONS
Which of the following are chemical changes?
- Growth of a plant
- Rusting of iron
- Mixing of iron fillings and sand
- Cooking of food
- Digestion of food
- Freezing of water
- Burning of candle
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Give the main differences between physical changes and chemical changes.
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Is a change of state of matter – a physical or a chemical change. Give reasons.
Select the chemical changes from the following list of changes
Respiration in mammals.
Physical Change: Boiling::Chemical Change: ______.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Explain the characteristics of physical change with examples.
