← Back to quiz index

Chemical Reactions and Equations Quiz

Class X
Science
Chemical Reactions and Equations
12 questions
HARD

Ready to take the quiz?

Test takers will enter name and email before starting.

Start quiz

Preview questions

1. What is the law that states mass is neither created nor destroyed in a chemical reaction?

Law of Conservation of Energy · Law of Conservation of Mass · Law of Definite Proportions · Law of Multiple Proportions

2. Which of the following is a balanced chemical equation?

2H2 + O2 → 2H2O · H2 + O2 → H2O · C + O2 → CO2 · Na + Cl2 → NaCl

3. What type of reaction occurs when two or more substances combine to form a single product?

Decomposition Reaction · Combination Reaction · Displacement Reaction · Redox Reaction

4. In a displacement reaction, which substance is replaced?

The product · The reactant · The catalyst · The solvent

5. What is produced when an acid reacts with a base?

Salt and Water · Hydrogen Gas · Carbon Dioxide · Oxygen Gas