Practice Law Of Constant Proportions (3.1.2) - Atoms and Molecules - CBSE 9 Science
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LAW OF CONSTANT PROPORTIONS

Practice - LAW OF CONSTANT PROPORTIONS

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the mass ratio of hydrogen to oxygen in water?

💡 Hint: Think about the composition of water.

Question 2 Easy

What are atoms?

💡 Hint: Consider how elements are made up.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the Law of Constant Proportions state?

Elements can combine in different ratios.
In compounds
elements combine in fixed ratios.

💡 Hint: Consider how recipes use fixed measurements.

Question 2

True or False: Atoms can be created or destroyed in chemical reactions.

True
False

💡 Hint: Think about the conservation of mass.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A chemist decomposes 36 grams of water into its constituents. Calculate the mass of hydrogen and oxygen obtained.

💡 Hint: Use the given ratio to calculate the amounts.

Challenge 2 Hard

Discuss the implications of Dalton's atomic theory on modern chemistry. How does it help in understanding reactions?

💡 Hint: Think about how chemists use this theory to design experiments.

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