Here are 20 SS3 first term Chemistry questions with options and answers:
Question: What is the chemical symbol for gold?
A) Au
B) Ag
C) Fe
D) Cu
Answer: A) Au
Question: Which gas is most abundant in Earth’s atmosphere?
A) Nitrogen
B) Oxygen
C) Carbon dioxide
D) Argon
Answer: A) Nitrogen
Question: What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-8 M?
A) 6
B) 7
C) 8
D) 9
Answer: C) 8
Question: Which element has the chemical symbol Na?
A) Nickel
B) Sodium
C) Nitrogen
D) Neon
Answer: B) Sodium
Question: What is the chemical formula for water?
A) CO2
B) H2O
C) CH4
D) O2
Answer: B) H2O
Question: Which of the following is a noble gas?
A) Helium
B) Chlorine
C) Sulfur
D) Fluorine
Answer: A) Helium
Question: What is the chemical symbol for iron?
A) Fe
B) I
C) In
D) Ir
Answer: A) Fe
Question: What is the atomic number of carbon?
A) 5
B) 6
C) 7
D) 8
Answer: B) 6
Question: Which gas is responsible for the greenhouse effect?
A) Oxygen
B) Nitrogen
C) Methane
D) Hydrogen
Answer: C) Methane
Question: What is the formula for methane?
A) CH4
B) CO2
C) H2O
D) C6H12O6
Answer: A) CH4
Question: Which of the following is a halogen?
A) Sodium
B) Fluorine
C) Potassium
D) Calcium
Answer: B) Fluorine
Question: What is the chemical symbol for potassium?
A) K
B) Kg
C) P
D) Ka
Answer: A) K
Question: In a chemical reaction, what does the arrow (→) represent?
A) Addition
B) Subtraction
C) Transformation
D) Yield
Answer: D) Yield
Question: Which of the following is a metalloid?
A) Silicon
B) Calcium
C) Iron
D) Zinc
Answer: A) Silicon
Question: What is the formula for sulfuric acid?
A) HCl
B) H2SO4
C) NaOH
D) CH3COOH
Answer: B) H2SO4
Question: How many valence electrons does oxygen have?
A) 4
B) 6
C) 8
D) 2
Answer: B) 6
Question: Which gas is produced during photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: A) Oxygen
Question: What is the chemical symbol for silver?
A) Ag
B) Au
C) Al
D) Si
Answer: A) Ag
Question: What is the molar mass of water (H2O)?
A) 18 g/mol
B) 22 g/mol
C) 24 g/mol
D) 16 g/mol
Answer: A) 18 g/mol
Question: Which gas is responsible for the color and smell of rotten eggs?
A) Hydrogen sulfide (H2S)
B) Carbon monoxide (CO)
C) Oxygen (O2)
D) Nitrous oxide (N2O)
Answer: A) Hydrogen sulfide (H2S).
FAQs
What topics are commonly covered in SS3 First Term Chemistry past questions?
SS3 First Term Chemistry past questions typically cover topics such as Atomic Structure, Chemical Bonding, States of Matter, Acids and Bases, Electrochemistry, Organic Chemistry basics, and Stoichiometry. Questions often test both theoretical understanding and problem-solving skills, including calculations and equation balancing.
How can I effectively prepare using SS3 First Term Chemistry past questions?
To prepare effectively, start by reviewing your class notes and textbooks to understand key concepts. Then, attempt the past questions under timed conditions to improve speed and accuracy. Afterward, carefully check your answers against solutions or marking schemes to identify areas needing improvement. Regular practice helps reinforce concepts and improves confidence.
Are the questions in SS3 First Term Chemistry past exams repeated every year?
While exact questions are rarely repeated, examiners often use similar patterns and types of questions across years. This means practicing past questions helps students familiarize themselves with common question formats, calculation methods, and the style of questions typically asked in exams.
Where can I find answers for SS3 First Term Chemistry past questions?
Answers to SS3 First Term Chemistry past questions can often be found in teachers’ guidebooks, online educational platforms, school libraries, or official WAEC/NECO marking schemes if the past questions are from national exams. It’s important to cross-check answers with reliable sources to ensure accuracy.
Also Read: SS1 First Term Chemistry Past Questions and Answers
