Post Utme Lasu 2023 Chemistry Question 18

Practice objective / multiple choice question 18 from the 2023 Post Utme Lasu Chemistry examination.

Post Utme Lasu 2023 Chemistry Objective / Multiple Choice
Question 18 POST_UTME_LASU • 2023 • CHEMISTRY • objective

A metal is extracted from its ore u\sing the following process: Roasting → Leaching → Purification. What is the purpose of the roasting step?

Answer Options

Correct Answer A. To convert the ore into a soluble compound
B. To remove impurities from the ore
C. To increase the surface area of the ore
D. To reduce the temperature of the ore
Correct Answer
A
Correct Option:
To convert the ore into a soluble compound

About This Question

This is Post Utme Lasu 2023 Chemistry Question 18. It is one of the objective questions from the 2023 Post Utme Lasu Chemistry examination.

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