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.
FAQs
What topics are covered in SS1 Second Term Chemistry past questions?
SS1 Second Term Chemistry past questions usually cover topics such as Atomic Structure, Elements and Compounds, Chemical Reactions, Acids and Bases, and Laboratory Techniques. The questions often test both theoretical understanding and practical application, including simple calculations and experimental observations.
How can I use SS1 Second Term Chemistry past questions effectively?
To use past questions effectively, start by attempting them under exam conditions to gauge your knowledge. After completing each question, compare your answers with the provided solutions to identify areas of strength and topics that need more revision. This method improves both understanding and exam readiness.
Are the answers to SS1 Second Term Chemistry past questions always straightforward?
Not always. While some answers are direct, others require problem-solving skills, calculations, or drawing diagrams. It’s important to understand the reasoning behind each answer rather than memorizing them, as exams often test conceptual understanding through variations of past questions.
Where can I find authentic SS1 Second Term Chemistry past questions and answers?
Authentic past questions and answers can be found from your school’s chemistry department, approved textbooks, online educational platforms, or past WAEC/NECO question compilations. Always ensure the source is reliable to get accurate solutions and explanations.
