Post Utme Bsu 2017 Chemistry Question 13

Practice objective / multiple choice question 13 from the 2017 Post Utme Bsu Chemistry examination.

Post Utme Bsu 2017 Chemistry Objective / Multiple Choice
Question 13 POST_UTME_BSU • 2017 • CHEMISTRY • objective
Post Utme Bsu 2017 Chemistry Question 13 diagram

A metal (X) has an atomic number of 20 and an atomic mass of 40 g/mol. If the metal is heated in air, it forms a white solid and a gas. What is the identity of the metal and the gas formed?

Answer Options

Correct Answer A. CaO and CO2
B. MgO and H2
C. K2O and CO2
D. Na2O and H2
Correct Answer
A
Correct Option:
CaO and CO2

About This Question

This is Post Utme Bsu 2017 Chemistry Question 13. It is one of the objective questions from the 2017 Post Utme Bsu Chemistry examination.

View More Post Utme Bsu 2017 Chemistry Questions More Post Utme Bsu Practice Questions Back to Questions

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