SS2 third term Chemistry questions with options and answers:
What is the chemical formula for hydrochloric acid?
A) H2SO4
B) NaOH
C) HCl
D) CH3COOH
Answer: C) HCl
Which gas is produced during the process of photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Nitrogen
Answer: A) Oxygen
What is the SI unit of electric current?
A) Volt
B) Ampere
C) Ohm
D) Watt
Answer: B) Ampere
Which of the following is a metalloid?
A) Sodium
B) Silicon
C) Oxygen
D) Chlorine
Answer: B) Silicon
What is the chemical symbol for mercury?
A) Mg
B) Hg
C) Me
D) Mn
Answer: B) Hg
Which gas is produced when acids react with bases?
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Water
Answer: D) Water
What is the chemical formula for carbon dioxide?
A) CO2
B) CO
C) C2O
D) CO3
Answer: A) CO2
Which of the following is a greenhouse gas?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
What is the chemical symbol for iodine?
A) I
B) In
C) Fe
D) Ir
Answer: A) I
Which process involves the addition of oxygen to a substance?
A) Reduction
B) Oxidation
C) Decomposition
D) Combustion
Answer: B) Oxidation
What is the chemical formula for sulfur dioxide?
A) SO2
B) SO
C) S2O
D) S2O3
Answer: A) SO2
Which gas is responsible for the distinctive smell of rotten fish?
A) Ammonia
B) Hydrogen sulfide
C) Nitrous oxide
D) Methane
Answer: B) Hydrogen sulfide
Which element is the most abundant in the Earth’s crust?
A) Silicon
B) Oxygen
C) Aluminum
D) Iron
Answer: B) Oxygen
What is the chemical symbol for potassium hydroxide?
A) KOH
B) K2O
C) KNO3
D) KH
Answer: A) KOH
Which acid is present in vinegar?
A) Sulfuric acid
B) Nitric acid
C) Acetic acid
D) Hydrochloric acid
Answer: C) Acetic acid
What is the chemical formula for hydrogen peroxide?
A) H2O2
B) HO
C) H2O
D) HCl
Answer: A) H2O2
Which gas is responsible for the smell of rotten eggs?
A) Oxygen
B) Hydrogen
C) Methane
D) Hydrogen sulfide
Answer: D) Hydrogen sulfide
What is the process of conversion of a gas into a liquid called?
A) Condensation
B) Sublimation
C) Evaporation
D) Melting
Answer: A) Condensation
Which element is used in fluorescent light bulbs?
A) Neon
B) Mercury
C) Argon
D) Xenon
Answer: B) Mercury
What is the chemical formula for sodium bicarbonate?
A) NaHCO3
B) Na2CO3
C) NaCl
D) NaOH
Answer: A) NaHCO3.
FAQs
Why should students practice SS2 third term Chemistry past questions?
Practicing SS2 third term Chemistry past questions helps students understand the pattern of examination questions and the topics that are commonly tested. It also improves problem-solving skills and boosts confidence before exams. By repeatedly working through past questions, students become familiar with calculation methods, chemical equations, and theory questions, making it easier to perform well during the actual examination.
What topics are usually covered in SS2 third term Chemistry exams?
SS2 third term Chemistry exams often cover topics such as chemical equilibrium, rates of chemical reactions, acids, bases and salts, electrolysis, and organic chemistry basics. Students may also encounter questions on mole calculations, balancing chemical equations, and practical chemistry concepts. These topics form an important foundation for more advanced chemistry studies in SS3.
How can students effectively study using Chemistry past questions?
Students can study effectively by first reviewing their class notes and textbooks to understand the concepts. After that, they should attempt past questions under exam-like conditions without looking at the answers. Once finished, they can check the solutions to identify mistakes and learn the correct methods. Repeating this process regularly helps reinforce understanding and highlights areas that require more study.
Where can students find reliable SS2 Chemistry past questions and answers?
Students can find reliable SS2 Chemistry past questions and answers in school-provided revision materials, recommended textbooks, educational websites, and online learning platforms. Teachers also often compile past questions from previous examinations to help students prepare better. Using verified sources ensures that the answers are accurate and aligned with the current curriculum.
Also Read: SS2 Second Term Physics Past Questions and Answers
