| 1 |
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
|
| 2 |
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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| 3 |
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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| 4 |
pH value of milk of magnesia. |
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| 5 |
Acid used as a dehydrating agent. |
- A. Nitric Acid
- B. Phosphoric acid
- C. Sulphuric acid
- D. Hydrochloric acid
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| 6 |
Large variey of compounds exists are. |
- A. Acids
- B. Bases
- C. Alkalies
- D. Salt
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| 7 |
Bases react with acids to form water and........ |
- A. Hydrogen ions
- B. Ammonia
- C. Salt
- D. Hydroxide ions
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| 8 |
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
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| 9 |
The word alkaline has been taken form. |
- A. Greek
- B. Latin
- C. Arabic
- D. English
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| 10 |
Tartaric acid obtain form. |
- A. Fats
- B. Tarmarind , grapes
- C. Apples
- D. Citrus fruits
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