Tag: diffusion in different states of matter

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Questions Related to diffusion in different states of matter

Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

Which produces more burn, steam or boiling water?

  1. Steam

  2. Boiling water

  3. Both produces same burn

  4. Data insufficient
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Water vapour at 373K has more energy than water at 373K as the steam has absorbed latent heat of vaporisation to change the state. Therefore the more burning sensation.

Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

The chemical reaction between quicklime and water is characterised by:

  1. Evolution of hydrogen gas

  2. Suspension of slaked lime in water

  3. Change in temperature of mixture

  4. Change in colour of product
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

Quicklime when added to water, it reacts with water chemically and form a suspension of slaked lime in water and produce heat energy. So it also results in an increase in temperature of the mixture.

$CaO+{ H } _{ 2 }O\rightarrow Ca{ (OH) } _{ 2 }+Heat$

Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

State having indefinite shape but definite volume is:

  1. solid.

  2. liquid.

  3. gas.

  4. liquid and gas.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Solid has highest inter-molecular force of attraction. Liquids has inter-molecular force of attraction less than solid but greater than Gas. So, it has indefinite shape but definite volume.


Hence, the correct option is $B$.


Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

Diffusion is negligible in case of:

  1. solid.

  2. liquid.

  3. gas.

  4. solid and liquid.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to high inter-molecular force of attraction and very small inter-molecular spaces diffusion is negligible in solid.

Particle in solid have lowest kinetic energy so they do not move.


Hence, the correct option is $A$.


Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

Arrange the following in order of increasing kinetic energy of their particles.

Mercury, Stone, Oxygen.

  1. Oxygen > Stone > Mercury

  2. Oxygen > Stone < Mercury

  3. Oxygen < Stone > Mercury

  4. Stone < Mercury < Oxygen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The kinetic energy of gases is maximum because inter-molecular force of attraction is minimum and kinetic energy is minimum in solid .


Stone < Mercury < Oxygen

Hence, the correct option is $D$.

Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

Which of the following states of matter has most number of particles per unit area?

  1. Solids

  2. Liquids

  3. Gases

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Solids have most number of particles per unit area. The molecules are very tightly packed and solids have high density.


Hence, the correct option is $A$.


Multiple choice chemistry matter in our surroundings diffusion in different states of matter properties of solids, liquid, and gas particle theory of matter

The process that absorbs latent heat is:

  1. melting

  2. evaporating

  3. sublimation

  4. all of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Latent heat is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process that is specified in some way. An example is latent heat of fusion for a phase change, melting, at a specified temperature and pressure. Latent heat is associated with the phase changes of atmospheric water vapor, mostly vaporization and sublimation.