20 SS1 first term Chemistry questions with options and answers:
Question: What is the chemical symbol for gold?
A) Au
B) Ag
C) Fe
D) Hg
Answer: A) Au
Question: Which gas makes up the majority of Earth’s atmosphere?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: B) Nitrogen
Question: What is the pH of a neutral solution?
A) 7
B) 14
C) 0
D) 1
Answer: A) 7
Question: What is the chemical formula for water?
A) H2O2
B) CO2
C) H2O
D) CH4
Answer: C) H2O
Question: Which element is essential for organic compounds?
A) Nitrogen
B) Carbon
C) Oxygen
D) Hydrogen
Answer: B) Carbon
Question: What type of bond is formed between sodium and chlorine in NaCl?
A) Ionic
B) Covalent
C) Metallic
D) Hydrogen
Answer: A) Ionic
Question: What is the chemical symbol for helium?
A) H
B) He
C) O
D) Ne
Answer: B) He
Question: Which gas is produced during photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: A) Oxygen
Question: What is the SI unit of temperature?
A) Kelvin
B) Celsius
C) Fahrenheit
D) Joule
Answer: A) Kelvin
Question: What is the chemical symbol for iron?
A) I
B) Fe
C) Ir
D) In
Answer: B) Fe
Question: Which gas is responsible for the greenhouse effect?
A) Oxygen
B) Carbon dioxide
C) Methane
D) Nitrogen
Answer: B) Carbon dioxide
Question: What is the smallest unit of an element that retains its chemical properties?
A) Molecule
B) Atom
C) Compound
D) Ion
Answer: B) Atom
Question: Which process involves a substance changing directly from a solid to a gas?
A) Sublimation
B) Condensation
C) Vaporization
D) Deposition
Answer: A) Sublimation
Question: What is the chemical formula for methane?
A) CH4
B) CO2
C) H2O
D) C6H12O6
Answer: A) CH4
Question: What is the formula for sulfuric acid?
A) HCl
B) H2SO4
C) NaOH
D) HNO3
Answer: B) H2SO4
Question: Which of the following is a noble gas?
A) Neon
B) Sodium
C) Chlorine
D) Oxygen
Answer: A) Neon
Question: What is the chemical symbol for potassium?
A) K
B) P
C) Ka
D) Ko
Answer: A) K
Question: In a chemical reaction, the total mass of the reactants is equal to the total mass of the…
A) Elements
B) Compounds
C) Products
D) Catalysts
Answer: C) Products
Question: What is the chemical formula for table salt?
A) Na2O
B) KCl
C) NaCl
D) HCl
Answer: C) NaCl
Question: Which element is the most abundant in Earth’s crust?
A) Oxygen
B) Silicon
C) Aluminum
D) Iron
Answer: A) Oxygen
FAQs
What topics are commonly covered in SS1 First Term Chemistry past questions?
SS1 First Term Chemistry past questions often cover topics such as the concept of matter, states of matter (solid, liquid, gas), elements, compounds and mixtures, laboratory safety rules, basic chemical symbols and formulae, and simple experiments involving physical and chemical changes. These topics form the foundation for understanding chemistry in later terms.
How can I effectively use past questions to prepare for my SS1 First Term Chemistry exams?
To use past questions effectively, start by reviewing the questions to identify recurring topics and patterns. Attempt to answer each question without referring to notes first, then check your answers. Focus on understanding the reasoning behind each answer rather than memorizing, and practice writing clear and concise explanations for each type of question.
Are there common types of questions in SS1 First Term Chemistry exams?
Yes, the common question types include multiple-choice questions (MCQs), fill-in-the-blank questions, short-answer questions, and practical-based questions where students interpret simple experiments or observations. Diagram-based questions asking students to label parts of laboratory equipment or illustrate physical and chemical changes are also frequent.
Where can I find reliable SS1 First Term Chemistry past questions and answers?
Reliable past questions and answers can often be found from your school’s past question archives, teachers’ handouts, and approved educational websites that specialize in Nigerian secondary school exam resources. Using these sources helps ensure that the questions are accurate, relevant to the syllabus, and useful for effective exam preparation.
