quiz on chemistry bar
This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Which element is most abundant in the Earth's crust?
Correct!
Wrong!
What is the pH of pure water at 25°C?
Correct!
Wrong!
What is the atomic number of Carbon?
Correct!
Wrong!
What is the chemical formula for sulfuric acid?
Correct!
Wrong!
Which gas is released during photosynthesis?
Correct!
Wrong!
What type of bond is formed when electrons are shared between atoms?
Correct!
Wrong!
Which subatomic particle has a negative charge?
Correct!
Wrong!
Which of the following is an alkali metal?
Correct!
Wrong!
quiz on chemistry bar
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