Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
Boiling of milk.
Advertisements
उत्तर
Boiling milk is PHYSICAL change as no change in composition, temporary and reversible, no new substance with new properties is formed.
APPEARS IN
संबंधित प्रश्न
Write short answer.
Name two reversible changes.
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Classify the following as physical or chemical changes :
- Cooking of food
- Boiling of water
- Cutting of trees
- D0issolving salt in water
- Digestion of food
- Melting of ice
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Select the chemical changes from the following list of changes
Rotting of eggs.
Select the chemical changes from the following list of changes
Breaking of glass
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.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
What type of energy changes is associated when ice melts?
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
