Advertisements
Advertisements
प्रश्न
Write true or false
Cutting of paper into pieces is a chemical change.
विकल्प
True
False
उत्तर
False
APPEARS IN
संबंधित प्रश्न
Try segregating the things around you as pure substances or mixtures.
A physical change is temporary. 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 —
Which of the following are physical changes and which are chemical changes ?
Freezing of water
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
Which of the following is a physical change?
Cutting a log of wood into pieces is a chemical change.
