Practice Law of Multiple Proportions - 1.5.3 | 1. SOME BASIC CONCEPTS OF CHEMISTRY | CBSE 11 Chemistry Part 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the Law of Multiple Proportions state?

💡 Hint: Think about the examples of compounds formed by the same two elements.

Question 2

Easy

What ratio of hydrogen to oxygen exists in water?

💡 Hint: How much oxygen do you need to form water?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the Law of Multiple Proportions explain?

  • A: Elements can combine in various ratios
  • B: Elements have fixed ratios in a compound
  • C: Masses of elements combine in whole number ratios

💡 Hint: Focus on the concept of combining elements.

Question 2

True or False: The Law of Multiple Proportions applies only to two elements combining to form one compound.

  • True
  • False

💡 Hint: Consider the definition of the law.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using the Law of Multiple Proportions, calculate the ratios of mass for a compound where 4 grams of element X combine with 12 grams of element Y to form compound A, and 4 grams of element X combine with 24 grams of element Y to form compound B. Simplify both ratios.

💡 Hint: Look for how the same mass of X compares in different compounds to Y.

Question 2

How does the Law of Multiple Proportions apply in determining the empirical formula of a compound formed by elements A and B when 2g of A combines with 8g of B in one compound and in another compound, 2g of A combines with 16g of B?

💡 Hint: Think about how mass ratios provide the empirical formula!

Challenge and get performance evaluation