| 1 |
Citric acid is present in |
- A. Citrus fruits
- B. Sour milk
- C. Rancid butter
- D. Apple
|
| 2 |
A reaction between an acid and base produce. |
- A. Salt and water
- B. Salt and gas
- C. Salt and acid
- D. Salt and bases
|
| 3 |
Potassium ferrocyanide salt is. |
- A. Normal
- B. complex
- C. Basic
- D. Acidic
|
| 4 |
The base which is used in alkaline batteries is. |
- A. NaOH
- B. Al(OH)<sub>2</sub>
- C. KOH
- D. Mg(OH)<sub>2</sub>
|
| 5 |
Uric acid is found in |
- A. Urine
- B. Fats
- C. Apple
- D. Grapes
|
| 6 |
The bond in the product of lewis acid base reaction. |
- A. Ionic
- B. Covalent
- C. Metallic
- D. Coordinate covalent
|
| 7 |
The water of crystallization is responsible for the. |
- A. Melting points of crystals
- B. Boiling points of crystals
- C. Shapes of crystals
- D. Transition point of crystals
|
| 8 |
Arrhenius presented his concept about acids and bases in. |
- A. 1785
- B. 1787
- C. 1923
- D. 1930
|
| 9 |
A salt is not composed of |
- A. A metallic cation
- B. Non -metallic anion
- C. an anion of a base
- D. An anion of an acid
|
| 10 |
Word "acid" derived from: |
- A. Urdu
- B. English
- C. Latin
- D. Greek
|