Questions

[1 Mark Question Answer]

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11 questions · timed · auto-graded

Question 21 Mark
State why the inter$-$particles attraction decreases to negligible.
Answer
This is so because when distance between particles increases, and force of attraction decreases leading to Inter$-$particle
attraction to almost negligible.
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Question 31 Mark
How does the stored energy, have effect on inter$-$particles space.
Answer
Stored potential energy increases the space.
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Question 41 Mark
The heat energy supplied to the liquid is absorbed by its molecule $\&$ stored as which form of energy.
Answer
Potential energy.
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Question 61 Mark
Select the correct answer The state of matter, where the inter$-$particle attraction between particles is maximum.
$A:$ Solid
$B:$ Vaporization
$C:$ lon
$D:$ Gases
$E:$ Heat
Answer
Solid
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Question 71 Mark
Select the correct answer The process of cbange of a liquid into vapour Igasi on heating.
$A:$ Solid
$B:$ Vaporization
$C:$ lon
$D:$ Gases
$E:$ Heat
Answer
Vaporization
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Question 81 Mark
Select the correct answer In Landolt’s experiment $–$ the form in which the chemical energy stored up in the reactants $–$ is released.
$A:$ Solid
$B:$ Vaporization
$C:$ lon
$D:$ Gases
$E:$ Heat
Answer
Heat
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Question 91 Mark
Select the correct answer The state of matter which has $-$ least density $\&$ no free surfaces.
$A:$ Solid
$B:$ Vaporization
$C:$ lon
$D:$ Gases
$E:$ Heat
Answer
Gases
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Question 101 Mark
Select the correct answer An atom or group of atoms $–$ having a resultant charge.
$A:$ Solid
$B:$ Vaporization
$C:$ lon
$D:$ Gases
$E:$ Heat
Answer
Ion
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Question 111 Mark
Explain the meaning of the term 'matter'.
Answer
Matter is defined as anything that has mass, occupies space and can be felt by the senses.
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[1 Mark Question Answer] - CHEMISTRY STD 8 Questions - Vidyadip