1 |
__________ acid cause acidity of stomach. |
- A. Oxalic acid
- B. Hydrochloric acid
- C. Sulphuric acid
- D. Nitric Acid
|
2 |
Phenolphthalein produces red colour in |
- A. Acid
- B. Base
- C. Both a and b
- D. None of these
|
3 |
Potassium ferrocyanide salt is. |
- A. Normal
- B. complex
- C. Basic
- D. Acidic
|
4 |
What is the pOH of Ca(OH)2, 0.02 M Solution. |
- A. 1.698
- B. 1.397
- C. 12.31
- D. 12.61
|
5 |
A reaction between an acid and base produce. |
- A. Salt and water
- B. Salt and gas
- C. Salt and acid
- D. Salt and bases
|
6 |
Which of following is not amphoteric? |
- A. H<sub>2</sub>O
- B. NH<sub>3</sub>
- C. HCO<sub>3</sub>
- D. SO<sub>4</sub>
|
7 |
Latin word 'Acidus' means: |
- A. sweet
- B. salty
- C. sour
- D. bitter
|
8 |
Citric acid is present in |
- A. Citrus fruits
- B. Sour milk
- C. Rancid butter
- D. Apple
|
9 |
When HCl and KOH is reacted the salt formed is. |
- A. Acidic
- B. Basic
- C. Normal
- D. Complex
|
10 |
Which acid is found in sour milk? |
- A. `Formic acid
- B. Lacitc acid
- C. Citric acid
- D. Butric acid
|