question_answer1) Matter can be defined as something that
A) Weight. done clear
B) Is made up of atoms and molecules done clear
C) Exists in three states. done clear
D) All the above done clear
View Solution play_arrowquestion_answer2) Ice is the _______ form of water.
A) Solid done clear
B) liquid done clear
C) Gasous done clear
D) All the above done clear
View Solution play_arrowquestion_answer3) The forces of attraction between molecules is greatest in the _________ state.
A) Liquid done clear
B) gaseous done clear
C) Solid done clear
D) all the above done clear
View Solution play_arrowquestion_answer4) The state of matter which has no fixed shape but has definite volume is the
A) Gasous state. done clear
B) Liquid state. done clear
C) Solid state. done clear
D) None of these done clear
View Solution play_arrowquestion_answer5) Which of the following is true of the molecules of gases?
A) They have a fixed volume. done clear
B) They have a fixed shape. done clear
C) They cannot move freely. done clear
D) They can move around freely. done clear
View Solution play_arrowquestion_answer6) Ice melts when energy in the form of________ is supplied.
A) Electricity done clear
B) heat done clear
C) Light done clear
D) sound done clear
View Solution play_arrowquestion_answer7) In a bar of magnet the molecules are held by
A) Strong forces of attraction. done clear
B) Weak forces of attraction. done clear
C) No forces of attraction. done clear
D) Strong forces of repulsion. done clear
View Solution play_arrowquestion_answer8) The process of changing water to water vapor is called
A) Sublimation. done clear
B) Condensation. done clear
C) Melting. done clear
D) Evaporation. done clear
View Solution play_arrowquestion_answer9) A compound is formed when
A) Only one kind of atoms combine. done clear
B) Two or more kinds of atoms combine. done clear
C) An atom is further broken in to smaller particles. done clear
D) All of these done clear
View Solution play_arrowquestion_answer10) Matter is made up tiny particles called
A) Atoms. done clear
B) Molecules. done clear
C) Cells. done clear
D) Ions. done clear
View Solution play_arrowquestion_answer11) Which of the following determines the state of matter?
A) Size done clear
B) Shape done clear
C) Arrangement of molecules done clear
D) Structure done clear
View Solution play_arrowquestion_answer12) The intermolecular space between molecules is maximum in a
A) solid. done clear
B) Liquid. done clear
C) Gas. done clear
D) All of these done clear
View Solution play_arrowquestion_answer13) When a solid is heated, it melts to form
A) A liquid. done clear
B) a steam. done clear
C) Ice. done clear
D) a viscous liquid. done clear
View Solution play_arrowA) Evaporation done clear
B) Condensation done clear
C) Melting done clear
D) Freezing done clear
View Solution play_arrowA) Solid done clear
B) Liquid done clear
C) Gas done clear
D) All of these done clear
View Solution play_arrowA) Volume done clear
B) Mass done clear
C) Temperature done clear
D) Shape done clear
View Solution play_arrowA) Increases done clear
B) decrease done clear
C) Remains same done clear
D) changes minutely done clear
View Solution play_arrow| State of matter | Properties | Example |
| W | Has a definite shape | Book |
| Liquid | X | Petrol |
| Y | Has no definite volume or shape | Z |
A) X done clear
B) Y done clear
C) Z done clear
D) W done clear
View Solution play_arrowquestion_answer19) The picture shows the process of _________. 
A) Melting done clear
B) boiling done clear
C) Condensation done clear
D) freezing done clear
View Solution play_arrowquestion_answer20) The force of attraction between molecules is the strongest in
A) 
done
clear
B) 
done
clear
C) 
done
clear
D) 
done
clear
question_answer21) The forces of attraction between the molecules is the strongest in
A) Liquids. done clear
B) Solids. done clear
C) Gaseous. done clear
D) All the three done clear
View Solution play_arrowquestion_answer22) Water at room temperature is
A) A solid. done clear
B) A liquid. done clear
C) A gas. done clear
D) Water vapor done clear
View Solution play_arrowquestion_answer23) When a liquid changes into a solid, the process is called
A) Freezing. done clear
B) Condensation. done clear
C) Melting. done clear
D) Evaporation done clear
View Solution play_arrowquestion_answer24) When a solid changes into a liquid, the process is called
A) Freezing. done clear
B) Vaporization. done clear
C) Melting. done clear
D) Condensation. done clear
View Solution play_arrowquestion_answer25) When a liquid turns into its vapor, the process is
A) Evaporation. done clear
B) Condensation. done clear
C) Freezing. done clear
D) All of these done clear
View Solution play_arrowquestion_answer26) The material that dissolves in a liquid is a
A) Solute. done clear
B) Solvent. done clear
C) Residue. done clear
D) Solution. done clear
View Solution play_arrowquestion_answer27) Solvents are mostly
A) Solids. done clear
B) Liquids. done clear
C) Gases. done clear
D) All the three done clear
View Solution play_arrowquestion_answer28) Which of these is/are present in sugar molecules?
A) Oxygen done clear
B) Hydrogen done clear
C) Carbon done clear
D) All of these done clear
View Solution play_arrowquestion_answer29) ________ dissolve________.
A) Solutes, solvents done clear
B) Solvents, solutes done clear
C) Solvents, solutions done clear
D) Solution, solvents done clear
View Solution play_arrowquestion_answer30) Which gases of these combines to form a molecule of water?
A) Oxygen done clear
B) Hydrogen done clear
C) Carbon dioxide done clear
D) Both (a) and (b) done clear
View Solution play_arrowquestion_answer31) What is the chemical formula of water?
A) 
done
clear
B) 
done
clear
C) 
done
clear
D) 
done
clear
A) Suspensions. done clear
B) Gases. done clear
C) Colloids. done clear
D) Solids. done clear
View Solution play_arrowquestion_answer33) Which of the following changes is possible with the addition of heat?
A) Water vapor changes to liquid water. done clear
B) Water vapor changes to ice. done clear
C) Ice changes to liquid water. done clear
D) Liquid water changes to ice. done clear
View Solution play_arrowquestion_answer34) What makes liquid flow?
A) In liquids, particles are tightly packed, done clear
B) In liquids, particles are packed in a rigid pattern. done clear
C) In liquids, particles are not tightly packed and can slide. done clear
D) All of these done clear
View Solution play_arrowquestion_answer35) In which of these processes does steam change to water?
A) Evaporation done clear
B) Melting done clear
C) Freezing done clear
D) Condensation done clear
View Solution play_arrowquestion_answer36) Which of these statements is NOTTRUE?
A) Air is not matter as we cannot see it done clear
B) The smallest particle of an element is an atom. done clear
C) In a solid, the molecules are close together than in a gas. done clear
D) Matter is made up of atoms and molecules. done clear
View Solution play_arrowquestion_answer37) A Identify X, Y and Z. 
A) X-gas, Y-solid, Z-liquid done clear
B) X-liquid, Y-solid, Z-gas done clear
C) X-gas, Y-liquid, Z-solid done clear
D) X-solid, Y-liquid, Z-gas done clear
View Solution play_arrowquestion_answer38) Read the following table.
| Substance | Solvent | Remark |
| Sand | Water | Does not dissolve |
| Sugar | Water | Dissolves |
| Salt | Water dissolves | Dissolves |
| Water | Kerosene | Does not dissolve |
| Oxygen | Water | Dissolves |
A) Sand and sugar done clear
B) Sand and salt done clear
C) Salt and kerosene done clear
D) Sugar and salt done clear
View Solution play_arrowquestion_answer39) Water vapor and steam are similar because they
A) have no definite shape and no definite volume. done clear
B) Have definite shape and no definite volume. done clear
C) Have no definite shape but definite volume done clear
D) Has definite mass and definite volume done clear
View Solution play_arrowquestion_answer40) Which of the following can be compressed?
| P: steam |
| Q: oxygen |
| R: carbon dioxide |
A) Only P and Q done clear
B) Only P and R done clear
C) Only Q and R done clear
D) P, Q and R done clear
View Solution play_arrow
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