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BidishaKashayap1333
@bidishakashayap1333
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Joined: Oct 11, 2021
Last seen: Jul 27, 2023
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Topics: 2174 / Replies: 0
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Topic
State two characteristics of matter demonstrated by: (a) Diffusion (b) Brownian motion
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 77
Topic
The best evidence that the particles of matter are constantly moving comes from the studies of….. and….. (b) The smell of perfume gradually spreads across a room due to
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 88
Topic
Name one property of liquids and gases which tells us that their molecules are moving constantly.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 87
Topic
If a fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the property which brings this smell to us.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 137
Topic
A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 58
Topic
Red-brown bromine vapour diffuses into air in a gas jar but the colourless air molecules do not diffuse bromine vapour.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 71
Topic
Which of the two diffuses slower bromine vapour into air or copper sulphate into water?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 86
Topic
Which of the two diffuses faster a liquid or a gas?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 83
Topic
Write the full form of the following: (a) LPG (b) CNG
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 70
Topic
Name two gases which are supplied in compressed form in homes and hospitals.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 107
Topic
A substance has neither a fixed shape nor a fixed volume. State whether it is solid, a liquid or a gas.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 59
Topic
‘A substance has a definite shape as well as definite volume’. Which physical state is represented by statement?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 91
Topic
Name the physical state of matter which can be easily compressed.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 81
Topic
A substance has a definite volume but no definite shape’. State whether this substance is a solid, a liquid, a gas.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 106
Topic
Out of solids, liquids and gases, which one has: (a) Maximum movement of particles? (b) Maximum interparticle attractions? (c) Minimum spaces between particles?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 79
Topic
What is the general name of : (a) Rigid form of matter? (b) Fluid form of matter?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 89
Topic
Name a process by which a drop a ink spreads in a beaker of water.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 85
Topic
What is the scientific name of particles which make up matter?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 74
Topic
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be broken into small particles by hammering. Which characteristic of the particles of matter is illustrated by these observations?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 82
Topic
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance spreads in the whole room quickly. Which characteristic of the particles of matter is illustrated by this observation?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 72
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