| 1 |
Strong alkalis have pH value. |
- A. 3 to 7
- B. 1 to 2
- C. 7 to 13
- D. 13 to 14
|
| 2 |
The word alkaline has been taken form. |
- A. Greek
- B. Latin
- C. Arabic
- D. English
|
| 3 |
Acid used as a dehydrating agent. |
- A. Nitric Acid
- B. Phosphoric acid
- C. Sulphuric acid
- D. Hydrochloric acid
|
| 4 |
Lactic Acid is found in. |
- A. Grapes
- B. Tomatoes
- C. Ant's sring
- D. Yogurt
|
| 5 |
The word acid is derived form. |
- A. Arabic word
- B. English word
- C. Latin word
- D. Greek word
|
| 6 |
pH value of milk of magnesia. |
|
| 7 |
Sodium hydroxide solution in water will |
- A. Turn blue litmus red
- B. Give pink colour with phenolpthalein
- C. Give red colour with methyl orange.
- D. Not affect the phenolphthalein indicator
|
| 8 |
All acids have a taste. |
- A. Sweet
- B. Sour
- C. Bitter
- D. Salty
|
| 9 |
These salts are responsible for preventing heart attacks. |
- A. Salts of sodium
- B. Salts of calcium
- C. Salt of potassium
- D. Salt of Magnesium
|
| 10 |
In dilute HCl blue litmus turns. |
- A. Orange
- B. Yellow
- C. Red
- D. Pink
|