Question

ch.1 science
matter in our surroundings


related questions

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1.
Is there any similarity in materials?


2.
When 50 g of sugar is dissolved in 100 mL of water, there is no increase in volume. What characteristic

of matter is illustrated by this observation?


3.
What happens when an inflated air balloon is pricked with a pin? Name the property of the gaseous

state exhibited by this observation.


4.
Name the process which occurs when a drop of dettol is added to water.


5.
To which physical state of matter do the following statements apply?


(i) Incompressible, no fixed shape


(ii) Compressible, no definite


6.
Name the state of matter in which:


(i) Layers of particles can slip and slide over one another easily.


(ii) Particles just move around randomly because of very weak force of attraction.


7.
In which of the following, the particles have highest forces of attraction?

Water, NaCl (solid), ice or, wax.


8.
Can materials exist in all the three states?

9.
When a crystal of potassium permanganate is placed in a beaker containing water, its purple colour
spreads throughout the water. What do you conclude from this observation about the nature of
potassium permanganate and water?


10.
Why do solids have a regular geometrical shape?

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Answer 1

Answer:

Matter in our surrounding

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