Waec Model Questions Vol1 2021 Physics Question 16

Practice objective / multiple choice question 16 from the 2021 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2021 Physics Objective / Multiple Choice Medium Difficulty
Question 16 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • PHYSICS • objective

A 150 g block of an unknown metal at 120 °C is placed into 200 g of water at 25 °C in an insulated container. The system reaches a final equilibrium temperature of 30 °C. During the process the metal oxidises, losing 5 % of its mass; each gram of metal lost releases 10 J of heat. Assuming no heat loss to the surroundings, determine the specific heat capacity of the metal in J kg⁻¹ K⁻¹.

Answer Options

A. 3.05×10^3
B. 2.95×10^2
C. 3.15×10^2
Correct Answer D. 3.05×10^2
Correct Answer
D
Correct Option:
3.05×10^2

About This Question

This is Waec Model Questions Vol1 2021 Physics Question 16. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Physics examination.

Difficulty level: Medium .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support