تیزاب، اساس اور نمکیات

دسویں جماعت · کیمیا · 6 سوالات

نام: ____________________ تاریخ: ____________

The pH of a neutral solution at 25 degrees C is:
- A 7
- B 1
- C 0
- D 14
Which of these is a strong acid?
- A Hydrochloric acid
- B Acetic acid
- C Carbonic acid
- D Citric acid
Litmus turns red in:
- A Neutral solutions
- B Bases
- C Acids
- D Salt solutions of strong bases
Acid + base gives:
- A Metal and acid
- B Only water
- C Salt and water
- D Salt and hydrogen
A solution has a pH of 3. It is:
- A Acidic
- B Basic
- C Neutral
- D A salt
A solution has [H+] = 1 x 10^-4 mol/dm3. What is its pH?
- A 10
- B 1
- C 4
- D -4

جوابی کلید

1. A, 2. A, 3. C, 4. C, 5. A, 6. C