Dr. Doe’s Chemistry Quiz
Difficulty Level: Easy
10 Questions
Popular Questions InDr. Doe’s Chemistry Quiz
1
Which element is used in light bulbs?
2
What is the atomic number of hydrogen?
3
Which gas do plants absorb during photosynthesis?
4
What is NaCl commonly known as?
5
What is the pH of pure water?
6
What is the most abundant gas in Earth’s atmosphere?
7
Which acid is found in the stomach?
8
Which metal is most commonly used in electrical wiring?
9
Which gas is known as laughing gas?
10
Which element is used in pencils?