| 1 |
The meaning of latin word acidus is. |
- A. Sweet
- B. Tasteless
- C. Salty
- D. Sour
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| 2 |
The water of crystallization is responsible for the. |
- A. Melting points of crystals
- B. Boiling points of crystals
- C. Shapes of crystals
- D. Transition point of crystals
|
| 3 |
Basic solution have pH value. |
- A. Less than 7
- B. Greater than 7
- C. equal to 7
- D. None of these
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| 4 |
Which acid is present in our stomach. |
- A. Nitric acid
- B. Hydrochloric acid
- C. Sulphuric acid
- D. All of these
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| 5 |
According to Lewis concept a base is a substance which can donate. |
- A. Proton
- B. Electron pair
- C. Neutron
- D. Electron
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| 6 |
Malic acid founds in: |
- A. Apple
- B. Fats
- C. Rancid Butter
- D. Oranges
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| 7 |
___________ is not mineral acid. |
- A. HCl
- B. CH<sub>3</sub>COOH
- C. H<sub>2</sub>SO<sub>4</sub>
- D. HNO<sub>3</sub>
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| 8 |
_________ acid is used in lead storage batteries as electrolyte. |
- A. CH<sub>3</sub>COOH
- B. HCl
- C. HNO<sub>3</sub>
- D. H<sub>2</sub>SO<sub>4</sub>
|
| 9 |
Soda lime is a mixture of.. |
- A. CaCl, + KOH
- B. NaOH + CaO
- C. NaOH + CaCl<sub>2</sub>
- D. Ca(OH)<sub>2</sub> + CaO
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| 10 |
Which acid is used for food preservation? |
- A. Hydrochloric acid
- B. Benzoic acid
- C. Sulphuric acid
- D. Nitric acid.
|