| 1 |
In dilute HCl blue litmus turns. |
- A. Orange
- B. Yellow
- C. Red
- D. Pink
|
| 2 |
Strong alkalis have pH value. |
- A. 3 to 7
- B. 1 to 2
- C. 7 to 13
- D. 13 to 14
|
| 3 |
Base has a............. touch |
- A. Soapy
- B. Hard
- C. Soury
- D. Smooth
|
| 4 |
Acid used as a dehydrating agent. |
- A. Nitric Acid
- B. Phosphoric acid
- C. Sulphuric acid
- D. Hydrochloric acid
|
| 5 |
Lactic Acid is found in. |
- A. Grapes
- B. Tomatoes
- C. Ant's sring
- D. Yogurt
|
| 6 |
Tartaric acid obtain form. |
- A. Fats
- B. Tarmarind , grapes
- C. Apples
- D. Citrus fruits
|
| 7 |
Bases react with acids to form water and........ |
- A. Hydrogen ions
- B. Ammonia
- C. Salt
- D. Hydroxide ions
|
| 8 |
These salts are responsible for preventing heart attacks. |
- A. Salts of sodium
- B. Salts of calcium
- C. Salt of potassium
- D. Salt of Magnesium
|
| 9 |
All acids have a taste. |
- A. Sweet
- B. Sour
- C. Bitter
- D. Salty
|
| 10 |
Sodium carbonate is an importnatsalt used for many purposes in indusies. Which acid is reacted with sodium hydroxide to get it. |
- A. Oxalic acid
- B. Citric acid
- C. Acetic Acid
- D. Carbonic acid
|