States of Matter MCQs

91. Which state has particles that are tightly packed?
A) Gas
B) Liquid
C) Solid
D) Plasma
Answer: C) Solid

92. Which state has particles moving freely?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas

93. Which process requires heat energy?
A) Freezing
B) Condensation
C) Melting
D) Deposition
Answer: C) Melting

94. Which state has fixed shape but can expand slightly?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: A) Solid

95. Which state is used in fluorescent lamps?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: D) Plasma

96. Which process is endothermic?
A) Freezing
B) Condensation
C) Sublimation
D) Deposition
Answer: C) Sublimation

97. Which state fills the entire container?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas

98. Which state has highest diffusion rate?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas

99. Which state has particles with minimum attraction?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas

100. Which state has both fluidity and compressibility?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C) Gas