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