| 1 |
Which acid is found in sour milk? |
- A. `Formic acid
- B. Lacitc acid
- C. Citric acid
- D. Butric acid
|
| 2 |
Acid reacting with metal sulphides, liberate gas. |
- A. Oxygen
- B. Hydrogen
- C. Hydrogen Sulphide
- D. Hydrogen Oxide
|
| 3 |
Sum of PH and POH of a solution is: |
|
| 4 |
Formic acid is present in |
- A. String of bees
- B. Sour milk
- C. Apple
- D. Fats
|
| 5 |
Methyl orange produces which colour in basic solution |
- A. Red
- B. Yellow
- C. Pink
- D. White
|
| 6 |
Uric acid is found in |
- A. Urine
- B. Fats
- C. Apple
- D. Grapes
|
| 7 |
Arrhenius presented his concept about acids and bases in. |
- A. 1785
- B. 1787
- C. 1923
- D. 1930
|
| 8 |
Which base is more corrosive? |
- A. NH<sub>4</sub>OH
- B. NaOH
- C. Ca(OH)<sub>2</sub>
- D. AL(OH)<sub>2</sub>
|
| 9 |
Citric acid is present in |
- A. Citrus fruits
- B. Sour milk
- C. Rancid butter
- D. Apple
|
| 10 |
Example of complex salt is. |
- A. Zinc sulphate
- B. Potash alum
- C. Potassium ferrocynide
- D. Sodium Phosphate
|