| 1 |
Bases react with acids to form water and........ |
- A. Hydrogen ions
- B. Ammonia
- C. Salt
- D. Hydroxide ions
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| 2 |
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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| 3 |
pH value of milk of magnesia. |
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| 4 |
Base has a............. touch |
- A. Soapy
- B. Hard
- C. Soury
- D. Smooth
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| 5 |
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
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| 6 |
The king of chemiclas is |
- A. KOH
- B. HCl
- C. NaCl
- D. H2SO4
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| 7 |
All acids have a taste. |
- A. Sweet
- B. Sour
- C. Bitter
- D. Salty
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| 8 |
Acid used as a dehydrating agent. |
- A. Nitric Acid
- B. Phosphoric acid
- C. Sulphuric acid
- D. Hydrochloric acid
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| 9 |
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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| 10 |
Large variey of compounds exists are. |
- A. Acids
- B. Bases
- C. Alkalies
- D. Salt
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