SS3 Third Term Chemistry Past Questions And Answers
SS3 third term Chemistry questions with options and answers:
Question: What is the chemical formula for sulfur hexafluoride?
A) SF4
B) SF6
C) S2F6
D) S3F8
Answer: B) SF6
Question: Which gas is responsible for the formation of acid rain?
A) Sulfur dioxide (SO2)
B) Nitrogen dioxide (NO2)
C) Carbon monoxide (CO)
D) Methane (CH4)
Answer: A) Sulfur dioxide (SO2)
Question: What is the chemical symbol for iodine?
A) I
B) Io
C) In
D) Ir
Answer: A) I
Question: What is the process of a substance changing directly from a gas to a solid without passing through the liquid state called?
A) Condensation
B) Sublimation
C) Evaporation
D) Deposition
Answer: B) Sublimation
Question: Which of the following is a property of acids?
A) Turn red litmus paper blue
B) Taste bitter
C) Release hydroxide ions (OH-) in water
D) Have a pH greater than 7
Answer: A) Turn red litmus paper blue
Question: What is the chemical formula for glucose?
A) C6H12O6
B) CH3COOH
C) H2O
D) NaCl
Answer: A) C6H12O6
Question: Which gas is produced during the process of photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: A) Oxygen
Question: What is the chemical symbol for tin?
A) Ti
B) Tn
C) Sn
D) Si
Answer: C) Sn
Question: What is the chemical formula for hydrofluoric acid?
A) HF
B) HCl
C) H2SO4
D) HNO3
Answer: A) HF
Question: In the periodic table, what group do the noble gases belong to?
A) Group 1
B) Group 2
C) Group 17
D) Group 18
Answer: D) Group 18
Question: Which of the following is a property of metals?
A) Poor conductors of electricity
B) Brittle
C) Malleable and ductile
D) Low melting points
Answer: C) Malleable and ductile
Question: What is the chemical symbol for calcium?
A) Ca
B) Co
C) Cu
D) Cm
Answer: A) Ca
Question: What is the pH of a neutral solution?
A) 0
B) 7
C) 14
D) 10
Answer: B) 7
Question: Which gas is commonly used in welding to provide a shield for the molten metal?
A) Oxygen
B) Acetylene
C) Argon
D) Nitrogen
Answer: C) Argon
Question: What is the chemical formula for sodium hydroxide?
A) NaOH
B) HCl
C) Na2CO3
D) KOH
Answer: A) NaOH
Question: What is the chemical symbol for potassium hydroxide?
A) KOH
B) KCl
C) KH
D) K2O
Answer: A) KOH
Question: Which gas is responsible for the sweet smell of rotten apples?
A) Methane (CH4)
B) Ethylene (C2H4)
C) Acetylene (C2H2)
D) Hydrogen sulfide (H2S)
Answer: B) Ethylene (C2H4)
Question: What is the chemical formula for nitrous oxide?
A) NO2
B) N2O3
C) N2O
D) NO
Answer: C) N2O
Question: Which of the following is a nonmetal?
A) Sodium
B) Oxygen
C) Copper
D) Calcium
Answer: B) Oxygen
Question: What is the chemical symbol for silver chloride?
A) AgCl
B) AuCl
C) AlCl3
D) AgBr
Answer: A) AgCl.
