Advertisements
Advertisements
प्रश्न
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
पर्याय
Physical change
Chemical change
Advertisements
उत्तर
Breaking of a glass tumbler – Physical change
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
A new substance is formed in a ............... change.
Write short answer.
Give two examples of periodic changes
How do you say that the process of digestion is a chemical change ?
Fill in the blank
Changes that occur in nature are called ______
Explain the term – ‘sublimation’. Is sublimation of naphthalene – a physical or a chemical change. Give reasons.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Select the chemical changes from the following list of changes
Rotting of eggs.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Cutting a log of wood into pieces is a chemical change.
