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Chemistry Quiz
Welcome to your Chemistry Quiz
1.
What is the chemical formula of of cabon dioxide?
CO
CO2
O2
C2o
None
2.
What is the PH of neutral substance?
0
7
10
14
None
3.
Which of the following is and acid?
NaOH
HCL
NaCL
H2O
None
4.
What is the smallest unit of matter?
Molecule
Atom
Cell
Electron
None
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