Multiple-choice Questions about Chemistry along with their Answers

Question 1: Which of the following is a noble gas?
a) Neon
b) Sodium
c) Calcium
d) Potassium

Answer: a) Neon

Question 2: What is the chemical symbol for iron?
a) Fe
b) Ni
c) Ir
d) In

Answer: a) Fe

Question 3: What is the chemical formula for methane?
a) CH4
b) CO2
c) H2O
d) NH3

Answer: a) CH4

Question 4: Which of the following is a common solvent?
a) Water
b) Salt
c) Sugar
d) Oxygen

Answer: a) Water

Question 5: What is the atomic number of carbon?
a) 6
b) 8
c) 12
d) 16

Answer: a) 6

Question 6: Which of the following is a product of the reaction between an acid and a base?
a) Water
b) Oxygen
c) Carbon dioxide
d) Hydrogen

Answer: a) Water

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Question 7: What is the chemical formula for sodium chloride?
a) NaCl
b) HCl
c) NaOH
d) H2SO4

Answer: a) NaCl

Question 8: Which of the following is a primary component of air?
a) Nitrogen
b) Carbon dioxide
c) Hydrogen
d) Oxygen

Answer: a) Nitrogen

Question 9: What is the chemical formula for nitric acid?
a) HNO3
b) H2SO4
c) HCl
d) NaOH

Answer: a) HNO3

Question 10: Which of the following is a product of the combustion of hydrocarbons?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Water vapor

Answer: a) Carbon dioxide

Question 11: What is the chemical formula for potassium hydroxide?
a) KOH
b) KCl
c) H2SO4
d) NaOH

Answer: a) KOH

Question 12: Which of the following is a transition metal?
a) Copper
b) Potassium
c) Calcium
d) Sodium

Answer: a) Copper

Question 13: What is the chemical formula for hydrogen sulfide?
a) H2S
b) HCl
c) NaOH
d) CO2

Answer: a) H2S

Question 14: Which of the following is a halogen?
a) Fluorine
b) Lithium
c) Barium
d) Aluminum

Answer: a) Fluorine

Question 15: What is the chemical formula for sulfur dioxide?
a) SO2
b) CO2
c) H2O
d) NH3

Answer: a) SO2