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Who developed the modern periodic table of elements?
A) Dmitri Mendeleev
B) Antoine Lavoisier
C) Albert Einstein
D) Dmitri Mendeleev
What is the chemical symbol for chlorine?
A) Cl
B) Ch
C) Cn
D) Cl
Which gas is known as laughing gas?
A) Oxygen
B) Nitrogen
C) Nitrous Oxide
D) Carbon Dioxide
Who is known for the theory of relativity?
A) Isaac Newton
B) Albert Einstein
C) Galileo Galilei
D) Johannes Kepler
What is the chemical symbol for uranium?
A) Ur
B) Ua
C) U
D) Un
Which gas is produced by burning fossil fuels and contributes to air pollution?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Sulfur Dioxide
What is the chemical symbol for neon?
A) Ne
B) No
C) Nn
D) Ne
Who is known as the “Father of the Periodic Table”?
A) Isaac Newton
B) Albert Einstein
C) Antoine Lavoisier
A) Dmitri Mendeleev
Which gas is used in the production of soft drinks and soda?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Carbon Dioxide
What is the chemical symbol for tin?
A) Ti
B) Tn
C) Sn
D) Ts
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