Advertisements
Advertisements
प्रश्न
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Advertisements
उत्तर
A change, which alters the composition of a substances,iis known as a chemical change.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
A physical change is temporary. Explain.
Classify the following changes as physical or chemical:-boiling
A burning candle shows both physical and chemical changes. Explain ?
Tick the most appropriate answer.
Rising and setting of the sun at a given place is a
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
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
The occurrence of lightning.
You are given some candle wax. Can you make a candle doll from it? What kind of change is this?
