CIE iGCSE Co-Ordinated Science P2.2.2 Melting, boiling and evaporation Exam Style Questions Paper 2
Question
The current in an ammeter is 1.5A.
How much charge passes through the ammeter in one minute?
(A) 0.025 C (B) 1.5 C (C) 40 C (D) 90 C
▶️Answer/Explanation
Ans : D
Question
The more energetic molecules of a liquid are escaping from its surface, causing the liquid to cool. What is happening to the liquid?
(A) It is boiling.
(B) It is condensing.
(C) It is evaporating.
(D) It is melting.
▶Answer/Explanation
Ans :C
Question
What is a thermocouple used to measure?
(A) expansion
(B) pressure
(C) resistance
(D) temperature
▶️Answer/Explanation
Ans: D
Question
Which change on its own increases the sensitivity of a liquid-in-glass thermometer?
(A) decreasing the internal diameter of the tube
(B) increasing the internal diameter of the tube
(C) making the thermometer longer
(D) making the thermometer shorter
▶️Answer/Explanation
Ans: A