Physical and Chemical changes
Trending Questions
Fractional distillation is the separation of a mixture of miscible liquids into its component parts based on the difference in their boiling points. Based on this information, Fractional distillation is a __________ process.
- It is a special type of distillation
- All of these
Separation of a mixture into its component parts
Separation of components occur due to difference in their boiling point
Change of water into steam is a:
- physical change
chemical change
physical and chemical change
biological change
physical
chemical
physical and chemical
biological
- True
- False
Burning of a candle is
a chemical change
a physical and a chemical change
a physical change
biological change
- both physical & chemical change
- physical change
- chemical change
- None of the given options
We observe that some portion of wax (in candle) melts and other portion of it is used in producing heat and light.
Statement A: The melting of wax is a physical change
Statement B: The burning of wax for the production of heat and light is a chemical change.
State which of the statement(s) is/are true.
Both Statement A and Statement B are true
Both Statement A and Statement B are false
- Only Statement A is true
- Only Statement B is true

Which of the substances will show a chemical change?
- Eggs
- Plastic bottle
- Both eggs & moth balls
- All eggs, plastic bottle and moth balls
- interconversion between states of matter
- breaking a glass
- burning of coal
- digestion of food