| 1. | Glue comes under example of |
| a. | crystalline solids |
| b. | amorphous solids |
| c. | simple solids |
| d. | compound solids |
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Answer: (b).amorphous solids
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| 2. | Column of manometer which faces liquid is |
| a. | raised |
| b. | depressed |
| c. | compressed |
| d. | remains same |
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Answer: (b).depressed
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| 3. | Ions of ionic crystals become free when it is in |
| a. | solid state |
| b. | compound state |
| c. | molten state |
| d. | none of these |
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Answer: (c).molten state
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| 4. | Planes along which crystalline solids are broken down are called |
| a. | cleavage planes |
| b. | regular planes |
| c. | irregular planes |
| d. | simple planes |
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Answer: (a).cleavage planes
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| 5. | Potassium nitrite makes isomorphs with |
| a. | zinc sulphate |
| b. | sodium chloride |
| c. | zinc |
| d. | sodium nitrite |
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Answer: (d).sodium nitrite
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