Advertisements
Advertisements
Question
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
Options
True
False
Solution
False.
Correct Statement: Melting of butter and wax are examples of physical changes.
APPEARS IN
RELATED QUESTIONS
Match the columns
column A | coulmn B |
1. A change which cannot be easily reversed | a. man-made change |
2.A change that repeats itself at regular intervals | b. chemical change |
3. A change that is made by humans | c. physical change |
4. A change in which the original substance cannot be obtained |
d. periodic change |
5. A change where no new substance is formade | e. irreversible change |
f. slow change |
Write true or false for the statement.
Deforestation is a man-made change
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
State whether the following is physical or chemical changes.
photosynthesis —
Classify the following as physical or chemical change :
Growth of a plant
Classify the following as a physical or a chemical change.
Butter getting rancid
Select the chemical changes from the following list of changes
Respiration in mammals.
Select the chemical changes from the following list of changes
Change of seasons
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
Classify the following changes as physical and chemical changes
A rough piece of wood is sanded and polished resulting in change in texture, Rusting of a iron nail, Painting the grill, Bending a paper clip, Pounding silver into thin plate, Rolling the chappathi dough into thin wire, Occurrence of day and night, eruption of volcano, burning of matchstick, dosa from the batter, blinking of eyelids, occurrence of a thunderstorm, rotation of the earth, formation of eclipses.
Sr. No. | Physical changes | Chemical changes |
1. | ||
2. |