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

Multiple choice

Which of the following is similar in meaning to ‘flowing’ as used in the passage?

Directions: Read the following passage carefully and select the most suitable option according to the corresponding number in the passage.

All life forms need (1) air and water. They are very important for living things. We can feel air all around us, but we cannot see or hold it. That's becoze (2) air is made up of gases. Gases are stuff (3) like steam, but they are so light that you cannot see or touch them. Some gases mixed in air are very important for life. We also find them in water when air mixes (4) with water. That happens whenever air touches water. Living things get these gases by taking in (5) either air or water. They drive out (6) harmful gases and things from their bodies with the air or water they pass out. The air and water flowing (7) in and out of living things keep the clock of life (8) ticking inside them.

  1. pouring

  2. fixed

  3. shaking

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

‘Pouring’ means ‘to flow’. Therefore, the correct answer is ‘pouring’.

Multiple choice

Which of the following is the correct spelling of ‘becoze’?

Directions: Read the following passage carefully and select the most suitable option according to the corresponding number in the passage.

All life forms need (1) air and water. They are very important for living things. We can feel air all around us, but we cannot see or hold it. That's becoze (2) air is made up of gases. Gases are stuff (3) like steam, but they are so light that you cannot see or touch them. Some gases mixed in air are very important for life. We also find them in water when air mixes (4) with water. That happens whenever air touches water. Living things get these gases by taking in (5) either air or water. They drive out (6) harmful gases and things from their bodies with the air or water they pass out. The air and water flowing (7) in and out of living things keep the clock of life (8) ticking inside them.

  1. becoz

  2. beacose

  3. because

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

(3) The correct spellings are 'because'.

Multiple choice

Which of the following could replace 'stuff' as used in the passage?

Directions: Read the following passage carefully and select the most suitable option according to the corresponding number in the passage.

All life forms need (1) air and water. They are very important for living things. We can feel air all around us, but we cannot see or hold it. That's becoze (2) air is made up of gases. Gases are stuff (3) like steam, but they are so light that you cannot see or touch them. Some gases mixed in air are very important for life. We also find them in water when air mixes (4) with water. That happens whenever air touches water. Living things get these gases by taking in (5) either air or water. They drive out (6) harmful gases and things from their bodies with the air or water they pass out. The air and water flowing (7) in and out of living things keep the clock of life (8) ticking inside them.

  1. somewhat

  2. also

  3. meanwhile

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

Here the similarity between gases and steam is being depicted. Therefore, somewhat is used which means that gases are a little similar to or like steam.

Multiple choice

Which of the following could replace 'mixes' as used in the passage?

Directions: Read the following passage carefully and select the most suitable option according to the corresponding number in the passage.

All life forms need (1) air and water. They are very important for living things. We can feel air all around us, but we cannot see or hold it. That's becoze (2) air is made up of gases. Gases are stuff (3) like steam, but they are so light that you cannot see or touch them. Some gases mixed in air are very important for life. We also find them in water when air mixes (4) with water. That happens whenever air touches water. Living things get these gases by taking in (5) either air or water. They drive out (6) harmful gases and things from their bodies with the air or water they pass out. The air and water flowing (7) in and out of living things keep the clock of life (8) ticking inside them.

  1. fixes

  2. covers

  3. combines

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

'Combine' is a synonym of mix. Therefore, combines can replace mixes as used in the passage.

Multiple choice

Which of the following is/are not fluid?

  1. Liquid

  2. Gas

  3. Solid

  4. Both (2) and (3)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In science, the common name of gases and liquids is fluids. As solid does not flow, therefore, it is not a fluid.

Multiple choice

Water is

  1. a mixture

  2. a compound

  3. an element

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

Water is a compound.