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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the chemical formula for hydrogen chloride?
💡 Hint: Think about the valencies of hydrogen and chlorine.
Question 2
Easy
What are the constituent elements of water?
💡 Hint: Recall the chemical formula of 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 is a binary compound?
- A compound with more than two elements
- A compound with two different elements
- A pure element
💡 Hint: Think about the definition of 'binary'.
Question 2
True or False: The valency of oxygen is 1.
- True
- False
💡 Hint: Recall how many bonds oxygen can form.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write the chemical formula for a compound containing two calcium ions and one carbonate ion.
💡 Hint: Consider the valency of calcium and carbonate.
Question 2
Calculate the molecular mass of aluminum oxide (Al2O3).
💡 Hint: Add the atomic masses of all atoms in the formula.
Challenge and get performance evaluation