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 element is most abundant in the Earth's crust?
Correct!
Wrong!
What is the chemical formula for sulfuric acid?
Correct!
Wrong!
Which subatomic particle has a negative charge?
Correct!
Wrong!
What is the atomic number of Carbon?
Correct!
Wrong!
Which gas is released during photosynthesis?
Correct!
Wrong!
Which of the following is an alkali metal?
Correct!
Wrong!
What type of bond is formed when electrons are shared between atoms?
Correct!
Wrong!
quiz on chemistry bar
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