SS3 Second Term Chemistry Past Questions And Answers
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.
