EASY
9th CBSE
IMPORTANT
Earn 100

Classify the following into osmosis/diffusion:
Swelling up of a raisin on keeping in water.

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Spreading of virus on sneezing.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Earthworm dying on coming in contact with common salt.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Shrinking of grapes kept in thick sugar syrup.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Preserving pickles in salt.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Spreading of smell of cake being baked throughout the house
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17
Classify the following into osmosis/diffusion:
Aquatic animals using oxygen dissolved in water during respiration.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 18
Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 19
Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam gushing out of the spout of the kettle. She wondered whether the temperature of the steam was higher than that of the water boiling in the kettle. Comment.