| 1 |
The king of chemiclas is |
- A. KOH
- B. HCl
- C. NaCl
- D. H2SO4
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| 2 |
pH value of milk of magnesia. |
|
| 3 |
Tartaric acid obtain form. |
- A. Fats
- B. Tarmarind , grapes
- C. Apples
- D. Citrus fruits
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| 4 |
Bases react with acids to form water and........ |
- A. Hydrogen ions
- B. Ammonia
- C. Salt
- D. Hydroxide ions
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| 5 |
These salts are responsible for preventing heart attacks. |
- A. Salts of sodium
- B. Salts of calcium
- C. Salt of potassium
- D. Salt of Magnesium
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| 6 |
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
|
| 7 |
Large variey of compounds exists are. |
- A. Acids
- B. Bases
- C. Alkalies
- D. Salt
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| 8 |
In dilute HCl blue litmus turns. |
- A. Orange
- B. Yellow
- C. Red
- D. Pink
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| 9 |
Strong alkalis have pH value. |
- A. 3 to 7
- B. 1 to 2
- C. 7 to 13
- D. 13 to 14
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| 10 |
The word alkaline has been taken form. |
- A. Greek
- B. Latin
- C. Arabic
- D. English
|