Chemistry · Science General
States of Matter
2,682 Questions
States of matter questions explore physical changes, evaporation, phase transitions, and the properties of liquids and gases. Topics cover density, cryosurgery, heavy water, and electrolytes. This foundational chemistry topic frequently appears in general science sections of SSC and railway exams.
Phase change mechanismsEvaporation and temperature effectsProperties of liquidsPhysical versus chemical changesElectrolytes and heavy water
States of Matter Questions
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air
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water
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vacuum
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another substance
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none of these
B
Correct answer
Explanation
Yes, when the density of a substance is expressed in comparison with water, it is called relative density.
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Petrol
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Milk
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Alcohol
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Lemon juice
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Vinegar
A
Correct answer
Explanation
This is the correct option. Petrol is an immiscible liquid. It is not soluble in water.
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Common salt
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Silver
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Glucose
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Ethanol
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Washing soda
B
Correct answer
Explanation
This is the correct option. Silver is insoluble in water, i.e. it does not dissolve in water.
A
Correct answer
Explanation
This is the correct option. Ice is lighter than water. It will float on the surface of water.
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Sugar
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Sand
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Chalk powder
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Coconut oil
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Grease
A
Correct answer
Explanation
This is the correct option. Sugar is a soluble substance. It completely dissolves in water.
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Petrol
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Water
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Honey
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Diesel
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Mercury
B
Correct answer
Explanation
This is the correct option. Water can eventually dissolve everything, which is kept in it. Thus, water is called a universal solvent.
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Only a
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Only a and b
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Only c
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Only b and c
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Only b
C
Correct answer
Explanation
This is the correct option as the statement is false. Ether is not miscible in water. It is miscible in coconut oil.
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Mixtures are of three types.
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The components of a mixture do not retain their properties.
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Components of a mixture are present in any proportion.
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Mixtures are pure substances.
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Mixture is made up of one type of element.
C
Correct answer
Explanation
Yes, it is the correct answer. Components of a mixture are present in any proportion.
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Only a
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Only b
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Only c
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Only b and c
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All of these
E
Correct answer
Explanation
Yes, all are correct. Solute can be solid, liquid or gas like a solvent.
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Suspensions are a heterogeneous mixture of two or more substances.
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Particles of solute do not dissolve in solvent.
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The size of particles of suspension is very small.
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Suspension shows Tyndall effect.
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Milk of magnesia is a suspension.
C
Correct answer
Explanation
Yes, it is the correct answer as this statement is false. The size of particles of suspension is large enough to be visible from naked eye.
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Water - Solvent in salt solution, Salt - Solute in salt solution
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Iodine - Solvent in tincture of iodine, Alcohol - Solute in tincture of iodine
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Water - Solvent in lemonade, Lemon - Solute in lemonade
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Carbon - Solute in steel, Iron - Solvent in steel
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Nitrogen - Solvent in air, Other gases - Solute in air
B
Correct answer
Explanation
No, here solvent is alcohol and iodine is the solute. Hence, it is the correct answer.
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Only 1
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Only 4
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Both 2 and 4
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2, 3 and 4
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Both 1 and 3
C
Correct answer
Explanation
Yes, both are heterogeneous impure substances. Hence, it is the correct answer.
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The paper will become translucent.
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The paper will become opaque.
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It will become transparent.
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The paper will melt.
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NA
A
Correct answer
Explanation
Translucent objects allow light to partially pass through it. Hence, it is correct.
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Oxygen
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Salt
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Saw dust
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Copper sulphate
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NA
C
Correct answer
Explanation
Saw dust is insoluble in water.
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A only
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B only
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C only
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A, B and C only
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B, C and D only
C
Correct answer
Explanation
A matter is any substance that has mass and volume. E.g. electron, proton, atom, air, wood etc. Humidity is a general term referring to the water content of a gas and not matter.