Here are 20 SS2 first term Chemistry questions with options and answers:
What is the chemical symbol for gold?
A) Au
B) Ag
C) Fe
D) Cu
Answer: A) Au
Which gas is most abundant in the Earth’s atmosphere?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: B) Nitrogen
What is the pH value of a neutral substance?
A) 7
B) 5
C) 10
D) 2
Answer: A) 7
Which element has the chemical symbol ‘O’?
A) Oxygen
B) Osmium
C) Oxide
D) Ozone
Answer: A) Oxygen
What is the formula for methane?
A) CH4
B) CO2
C) H2O
D) C6H12O6
Answer: A) CH4
What is the process of converting a gas into a liquid called?
A) Sublimation
B) Condensation
C) Evaporation
D) Melting
Answer: B) Condensation
Which metal is known as quicksilver?
A) Silver
B) Mercury
C) Gold
D) Aluminum
Answer: B) Mercury
What is the chemical formula for sodium chloride?
A) NaCl
B) HCl
C) NaOH
D) Na2CO3
Answer: A) NaCl
Which gas is responsible for the greenhouse effect?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
What is the SI unit of pressure?
A) Pascal
B) Newton
C) Joule
D) Watt
Answer: A) Pascal
Which of the following is a noble gas?
A) Helium
B) Chlorine
C) Sulfur
D) Nitrogen
Answer: A) Helium
What is the chemical formula for water?
A) H2O2
B) CO2
C) H2O
D) CH4
Answer: C) H2O
Which gas is evolved during photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen
Answer: A) Oxygen
What is the chemical symbol for iron?
A) Ir
B) Fe
C) Au
D) Ag
Answer: B) Fe
Which acid is found in lemons?
A) Sulfuric acid
B) Citric acid
C) Hydrochloric acid
D) Acetic acid
Answer: B) Citric acid
What is the main component of natural gas?
A) Methane
B) Ethane
C) Propane
D) Butane
Answer: A) Methane
Which element is essential for human bone formation?
A) Calcium
B) Iron
C) Sodium
D) Potassium
Answer: A) Calcium
What is the chemical symbol for silver?
A) Au
B) Ag
C) Si
D) Sr
Answer: B) Ag
In a chemical reaction, what does the arrow represent in a chemical equation?
A) Addition
B) Subtraction
C) Reaction
D) Transformation
Answer: C) Reaction
Which gas is produced when acids react with metals?
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Carbon dioxide
Answer: B) Hydrogen.
FAQs
What topics are most frequently covered in SS2 First Term Chemistry past questions?
The most common topics include Atomic Structure, Chemical Bonding, States of Matter, Acids and Bases, and Basic Organic Chemistry. These areas often have repeated question patterns in multiple-choice, structured, and essay formats, so practicing these topics helps students anticipate potential exam questions.
How can I use SS2 First Term Chemistry past questions effectively for revision?
To maximize past questions for revision, first study your class notes and textbooks to understand the concepts. Then attempt the past questions under timed conditions to simulate the exam environment. Afterward, review the answers carefully, identify weak areas, and revise those topics to improve understanding and speed.
Are the answers to SS2 First Term Chemistry past questions reliable for learning?
Yes, the answers are generally reliable, but it’s important to cross-check them with your textbooks or teachers’ notes. Some past questions may have minor variations or errors, so using them alongside other learning resources ensures accuracy and deeper understanding.
Do SS2 First Term Chemistry past questions cover practical or theoretical concepts?
Past questions cover both theoretical and practical aspects of Chemistry. While theory questions test understanding of concepts and definitions, practical questions often involve calculations, experiments, and observations. Reviewing both types helps students prepare thoroughly for written exams and practical assessments.
Also Read: SS1 Third Term Chemistry Past Questions and Answers
