Practice Law Of Constant Proportions (7.7) - Study of Gas Laws - ICSE 9 Chemistry
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Law of Constant Proportions

Practice - Law of Constant Proportions

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Law of Constant Proportions state?

💡 Hint: Think about how compounds are structured.

Question 2 Easy

Give an example of a chemical compound that follows this law.

💡 Hint: Consider the elements involved in water.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main statement of the Law of Constant Proportions?

Compounds can have varying compositions
Compounds are made up of fixed proportions by mass
Compounds are always made of one type of element

💡 Hint: Think about the consistency of compounds.

Question 2

True or False: The composition of water changes based on the amount of water.

True
False

💡 Hint: Recall the mass percentages of hydrogen and oxygen.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the mass of hydrogen needed to create 50 g of water using the Law of Constant Proportions.

💡 Hint: Use the ratios provided.

Challenge 2 Hard

If a compound is analyzed and found to be 60% oxygen and 40% carbon, deduce its empirical formula.

💡 Hint: Convert masses to moles to find the simplest whole-number ratio.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.