| 1 |
In dilute HCl blue litmus turns. |
Orange
Yellow
Red
Pink
|
| 2 |
pH value of milk of magnesia. |
7
11
9
14
|
| 3 |
Strong alkalis have pH value. |
3 to 7
1 to 2
7 to 13
13 to 14
|
| 4 |
These salts are responsible for preventing heart attacks. |
Salts of sodium
Salts of calcium
Salt of potassium
Salt of Magnesium
|
| 5 |
Large variey of compounds exists are. |
Acids
Bases
Alkalies
Salt
|
| 6 |
Bases react with acids to form water and........ |
Hydrogen ions
Ammonia
Salt
Hydroxide ions
|
| 7 |
Base has a............. touch |
Soapy
Hard
Soury
Smooth
|
| 8 |
The word alkaline has been taken form. |
Greek
Latin
Arabic
English
|
| 9 |
Acid used as a dehydrating agent. |
Nitric Acid
Phosphoric acid
Sulphuric acid
Hydrochloric acid
|
| 10 |
All acids have a taste. |
Sweet
Sour
Bitter
Salty
|
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