Forum

BidishaKashayap1333
@bidishakashayap1333
Forum Home   |   Recent Posts
Illustrious Member
Joined: Oct 11, 2021
Last seen: Jul 27, 2023
Profile Activity
Topics: 2174 / Replies: 0
AllTopicsReplies
Topic
Which of the following statement is not true? (a) The molecules in a solid vibrate about a fixed position (b) The molecules in liquid are arranged in a regular pattern
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 147
Topic
When a gas jar containing colourless air is kept upside down over a gas jar full of brown coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jar appears brown in colour...
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 120
Topic
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapour of bromine from the lower jar go upward into the jar containing air.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 146
Topic
Which of the following statement is correct? (a) The particles of matter are very, very small (b) The particles of matter attract one another
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 120
Topic
A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 250
Topic
The best evidence for the existence and movement of particles in liquids was provided by
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 98
Topic
Out of the following, an example of matter which can be termed as fluid is
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 94
Topic
In which of the following conditions, the distance between the molecules of hydrogen gas would increase? (i) Increasing pressure on hydrogen contained in a closed container
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 103
Topic
A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents the correct arrangement?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 114
Topic
Which one of the following statements is correct in respect of fluids? (a) Only gases behave as fluids (b) Gases and solids behave as fluids
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 108
Topic
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 99
Topic
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain) during Brownian motion. (b) In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 183
Topic
(a) Define matter. Give four examples of matter. (b) What are the characteristics of matter?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 112
Topic
(a) Why does a gas exert pressure? (b) Why does a gas fill a vessel completely? (c) Why are gases so easily compressible whereas it is almost impossible to compress a solid or a liquid?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 105
Topic
(a) Compare the properties of solids, liquids and gases in tabular form. (b) Give two reasons for saying that wood is a solid.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 157
Topic
What is meant by ‘diffusion’? Give one example of diffusion in gases. (b) Why do gases diffuse very fast? (c) Name two gases of air which dissolve in water by diffusion.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 123
Topic
Explain why, diffusion occurs more quickly in a gas than in a liquid.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 291
Topic
Explain why: (a) Air is used to inflate tyres. (b) Steel is used to make railway lines.
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 116
Topic
Honey is more viscous then water. Can you suggest why?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 107
Topic
When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the water slowly turns blue. why?
4 years ago
Forum
Matter in Our Surroundings
Replies: 0
Views: 137
Page 15 / 109

How Can We Help?

    Home

    About Us

    Contact Us

    Privacy Policy

    Term of Use

    Copyright © 2020 Eanshub

    All Rights Reserved