A concept that is misunderstood could mean the difference between A and B. As such, here are 13 questions that can help students to clear doubts or clarify their understandings on topics such as:

 

ACIDS-BASES, CHEMICAL CALCULATIONS, CHEMICAL BONDING, REDOX, SALT PREPARATIONS, ELECTROLYSIS, AND SPEED OF REACTIONS.

 

Questions are relevant to the O Levels and IP standards in Singapore.

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As a benchmark, here are some stats based on past participants (including students not from our centre):

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Average score = 61%

Highest score = 85%

Lowest score = 31%