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If you're here to study online, we've covered 2012 Mathematics. Now, let's continue with the 2012 Chemistry.
2012 Chemistry Questions
Choose the correct answer from option A-D21. Which of the following elements is a halogen?
a) Carbon
b) Oxygen
c) Fluorine
d) Magnesium
Answer: c) Fluorine
22. What is the chemical formula for water?
a) CO2
b) NaCl
c) H2O
d) NH3
Answer: c) H2O
23. Which of the following is not an element?
a) Hydrogen
b) Oxygen
c) Water
d) Helium
Answer: c) Water
24. Which of the following is a non-metal?
a) Iron
b) Sodium
c) Chlorine
d) Calcium
Answer: c) Chlorine
25. What is the formula for sodium chloride?
a) NaCO3
b) NaCl2
c) NaOH
d) NaCl
Answer: d) NaCl
26. What is the symbol for gold?
a) Ag
b) Au
c) Al
d) Fe
Answer: b) Au
27. What is the chemical symbol for iron?
a) Fe
b) Ir
c) In
d) I
Answer: a) Fe
28. What is the pH of a neutral solution?
a) 0
b) 7
c) 14
d) 1
Answer: b) 7
29. Which of the following is a noble gas?
a) Argon
b) Nitrogen
c) Oxygen
d) Carbon
Answer: a) Argon
30. Which of the following is an alkali metal?
a) Chlorine
b) Sodium
c) Calcium
d) Fluorine
Answer: b) Sodium
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