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