Here are 20 SS3 second term Chemistry questions with options and answers:
Question: What is the chemical formula for ammonia?
A) NH4
B) NH3
C) N2H4
D) N2H6
Answer: B) NH3
Question: Which of the following is a transition metal?
A) Zinc
B) Copper
C) Aluminum
D) Magnesium
Answer: B) Copper
Question: What is the formula for hydrochloric acid?
A) HCl
B) H2SO4
C) NaOH
D) CH3COOH
Answer: A) HCl
Question: How many elements are in the alkali metal group?
A) 5
B) 6
C) 7
D) 8
Answer: A) 5
Question: What is the chemical symbol for mercury?
A) Hg
B) Me
C) Mg
D) Mn
Answer: A) Hg
Question: Which gas is commonly used in balloons for lifting?
A) Helium
B) Hydrogen
C) Nitrogen
D) Oxygen
Answer: A) Helium
Question: What is the chemical symbol for lead?
A) Ld
B) Le
C) Pb
D) Pd
Answer: C) Pb
Question: What is the process of converting a gas into a liquid called?
A) Sublimation
B) Condensation
C) Vaporization
D) Deposition
Answer: B) Condensation
Question: Which element is the most abundant in Earth’s crust?
A) Silicon
B) Oxygen
C) Aluminum
D) Iron
Answer: B) Oxygen
Question: What is the chemical formula for table salt (sodium chloride)?
A) NaCl
B) KCl
C) CaCl2
D) MgCl2
Answer: A) NaCl
Question: What is the unit of measurement for electric current?
A) Volt
B) Ampere
C) Ohm
D) Watt
Answer: B) Ampere
Question: Which gas is produced during respiration?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
Answer: A) Carbon dioxide
Question: What is the chemical symbol for neon?
A) Ne
B) No
C) Ni
D) Na
Answer: A) Ne
Question: What is the chemical formula for methane?
A) CH3
B) CH2
C) CH4
D) C2H6
Answer: C) CH4
Question: What is the formula for nitric acid?
A) H2SO4
B) HCl
C) HNO3
D) H3PO4
Answer: C) HNO3
Question: How many electrons are in the outer shell of a chlorine atom?
A) 2
B) 7
C) 8
D) 18
Answer: B) 7
Question: What is the chemical symbol for phosphorus?
A) Pt
B) Ps
C) P
D) Pb
Answer: C) P
Question: Which of the following is a greenhouse gas?
A) Nitrogen
B) Carbon monoxide
C) Methane
D) Oxygen
Answer: C) Methane
Question: What is the chemical formula for acetic acid?
A) HCl
B) H2SO4
C) CH3COOH
D) NaOH
Answer: C) CH3COOH
Question: Which element is essential for organic compounds but not found in inorganic compounds?
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
Answer: A) Carbon.
FAQs
What topics are usually covered in SS3 Second Term Chemistry past questions?
SS3 Second Term Chemistry past questions often cover topics such as chemical reactions, acids and bases, organic chemistry basics, chemical bonding, gases laws, and electrochemistry. Teachers usually focus on questions that help students practice calculations, equation balancing, and conceptual understanding.
How can I use past questions to prepare effectively for my Chemistry exams?
To prepare effectively, start by reviewing the syllabus topics for the term, then attempt past questions under timed conditions. After attempting, check your answers carefully against mark schemes or answer guides. Focus on recurring question patterns and understand the reasoning behind each solution instead of just memorizing answers.
Are the answers to SS3 Second Term Chemistry past questions reliable?
Yes, if sourced from reputable schools, examination bodies, or recognized publications, the answers are generally reliable. However, students should cross-check with textbooks or teachers, especially for numerical problems, to ensure accuracy and understanding of underlying concepts.
Where can I find authentic SS3 Second Term Chemistry past questions and answers?
Authentic past questions and answers can be found in past exam compilations from your school, official state or national examination bodies, educational resource websites, and some academic books focused on Chemistry practice for SS3 students. It’s important to use verified sources to avoid errors or outdated material.
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