Curriculum
Course: Alhussan Chemistry — Stage 8
Login

Curriculum

Alhussan Chemistry — Stage 8

Chapter 7: Inside Atoms

0/25

Chapter 8: Pure Substances and Solutions

0/45

Chapter 9: Chemical Reactions 2

0/55
Quiz

9.2 Word equations — Visual & Photo Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 1
  • Passing grade: B+
Start Quiz
1.
Look at the balanced word equation: calcium carbonate + hydrochloric acid -> calcium chloride + water + carbon dioxide. Which substances are the reactants in this chemical reaction?
Dr Dabour Hub Academy - figure 1
Calcium carbonate and hydrochloric acid (the starting substances on the left of the arrow)
Calcium chloride and carbon dioxide only
Water and carbon dioxide only
All four substances simultaneously
Part of Chapter 9: Chemical Reactions 2 — see every lesson and quiz in this unit.
Accepted payment methods