Chemistry ยท Science General

States of Matter

2,382 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

Multiple choice

The chemical formula for water is:

  1. H2O

  2. CO2

  3. NaCl

  4. CH4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The chemical formula for water is H2O, which represents two hydrogen atoms and one oxygen atom.

Multiple choice

Which of the following is NOT a common solvent used in paint?

  1. Water

  2. Oil

  3. Alcohol

  4. Acetone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acetone is a powerful solvent that is often used to remove paint, but it is not commonly used as a solvent in paint.

Multiple choice

Which of the following solvents is commonly used in water-based paints?

  1. Mineral spirits

  2. Turpentine

  3. Water

  4. Alcohol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Water is the most common solvent used in water-based paints.

Multiple choice

Which of the following solvents is commonly used in oil-based paints?

  1. Mineral spirits

  2. Turpentine

  3. Water

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

Mineral spirits is the most common solvent used in oil-based paints.

Multiple choice

Which of the following is NOT a common type of thinner?

  1. Mineral spirits

  2. Turpentine

  3. Water

  4. Alcohol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Water is not a common type of thinner. Mineral spirits, turpentine, and alcohol are all common types of thinners.

Multiple choice

Which of the following is NOT a common type of retarder?

  1. Glycol ethers

  2. Mineral spirits

  3. Turpentine

  4. Alcohol
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mineral spirits is not a common type of retarder. Glycol ethers, turpentine, and alcohol are all common types of retarders.

Multiple choice

What are some examples of entropy increasing?

  1. A hot cup of coffee cooling down

  2. A glass of water evaporating

  3. A battery discharging

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

All of the above examples are examples of entropy increasing.

Multiple choice

What are some examples of entropy decreasing?

  1. A refrigerator cooling down a room

  2. A freezer freezing water

  3. A battery charging

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are no examples of entropy decreasing.

Multiple choice

What is the main ingredient in acrylic paint?

  1. Acrylic polymer

  2. Water

  3. Pigments

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

Acrylic polymer is a synthetic polymer that is used to bind the pigments in acrylic paint.

Multiple choice

Which fluid property is responsible for the formation of droplets and bubbles?

  1. Density

  2. Viscosity

  3. Surface Tension

  4. Compressibility
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Surface tension is the property of a fluid that causes its surface to behave like a stretched elastic membrane. It is responsible for the formation of droplets and bubbles.

Multiple choice

The ability of a fluid to withstand changes in pressure is known as:

  1. Density

  2. Viscosity

  3. Surface Tension

  4. Compressibility
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Compressibility is the property of a fluid that measures its resistance to changes in pressure. It is the reciprocal of the bulk modulus.

Multiple choice

Which fluid property is responsible for the formation of waves on the surface of a liquid?

  1. Density

  2. Viscosity

  3. Surface Tension

  4. Compressibility
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Surface tension is the property that causes the surface of a liquid to behave like a stretched elastic membrane. It is responsible for the formation of waves on the surface of a liquid.

Multiple choice

Which fluid property is important in determining the stability of a fluid film?

  1. Density

  2. Viscosity

  3. Surface Tension

  4. Compressibility
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Surface tension is the key fluid property that determines the stability of a fluid film. It helps maintain the integrity of the film and prevents it from breaking up.

Multiple choice

Which of the following is NOT a state of matter?

  1. Solid

  2. Liquid

  3. Gas

  4. Plasma
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plasma is not a state of matter, but rather a state of ionized gas.

Multiple choice

What is the primary factor that determines the state of matter of a substance?

  1. Temperature

  2. Pressure

  3. Volume

  4. Chemical Composition
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The temperature of a substance is the primary factor that determines its state of matter.