PAKUA PDF FILE HAPA
Which of the following is a strong acid?
A) HCl
B) CH₃COOH
C) H₂CO₃
D) H₂O
Answer: A) HCl
What is the atomic number of Oxygen?
A) 6
B) 8
C) 12
D) 16
Answer: B) 8
Which gas is produced when an acid reacts with a metal?
A) O₂
B) H₂
C) CO₂
D) N₂
Answer: B) H₂
What is the pH of a neutral solution at 25°C?
A) 0
B) 7
C) 14
D) 1
Answer: B) 7
