SS1 Second Term Chemistry Past Questions And Answers
SS1 second term Chemistry questions with options and answers:
Question: What is the chemical formula for hydrogen peroxide?
A) H2O
B) H2O2
C) HO
D) H2O3
Answer: B) H2O2
Question: Which gas is responsible for the smell of rotten eggs?
A) Oxygen
B) Hydrogen
C) Sulfur dioxide
D) Methane
Answer: C) Sulfur dioxide
Question: What is the process by which plants make their food using sunlight?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Combustion
Answer: B) Photosynthesis
Question: What is the chemical formula for ammonia?
A) NH4
B) NH2
C) NH3
D) N2H
Answer: C) NH3
Question: Which gas is produced by the burning of fossil fuels and contributes to air pollution?
A) Carbon monoxide
B) Oxygen
C) Nitrogen
D) Helium
Answer: A) Carbon monoxide
Question: What is the chemical symbol for mercury?
A) Me
B) Mg
C) Mn
D) Hg
Answer: D) Hg
Question: What is the main component of natural gas?
A) Methane
B) Ethane
C) Propane
D) Butane
Answer: A) Methane
Question: Which element is essential for the structure of bones and teeth?
A) Calcium
B) Phosphorus
C) Iron
D) Magnesium
Answer: A) Calcium
Question: What is the chemical symbol for silver?
A) Ag
B) Au
C) Al
D) Si
Answer: A) Ag
Question: Which of the following is a greenhouse gas?
A) Nitrous oxide
B) Neon
C) Nitrogen
D) Nickel
Answer: A) Nitrous oxide
Question: What is the common name for sodium bicarbonate?
A) Baking powder
B) Baking soda
C) Table salt
D) Sugar
Answer: B) Baking soda
Question: What is the chemical formula for hydrochloric acid?
A) H2O
B) HCl
C) NaOH
D) HNO3
Answer: B) HCl
Question: In the periodic table, elements in the same vertical column are called…
A) Periods
B) Groups
C) Families
D) Blocks
Answer: B) Groups
Question: Which gas is released during cellular respiration?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: B) Carbon dioxide
Question: What is the chemical formula for sulfur dioxide?
A) SO
B) SO2
C) S2O
D) H2SO4
Answer: B) SO2
Question: What is the chemical symbol for lead?
A) Ld
B) Le
C) Pb
D) Pt
Answer: C) Pb
Question: Which of the following is a halogen?
A) Sodium
B) Fluorine
C) Aluminum
D) Potassium
Answer: B) Fluorine
Question: What is the chemical formula for glucose?
A) C6H12O6
B) CH4
C) CO2
D) H2O
Answer: A) C6H12O6
Question: What is the process of converting a gas to a liquid called?
A) Sublimation
B) Condensation
C) Vaporization
D) Evaporation
Answer: B) Condensation
Question: Which element is commonly used in batteries?
A) Lithium
B) Sodium
C) Potassium
D) Calcium
Answer: A) Lithium.
