1. After mixing powder and liquid in case of alginate impression material, gelation will occur in what time (at room temperature)?

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2. Liquid which shows thickening on increasing strain is called

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3. nickel in high percentages in noble metal dental casting alloys

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4. Must commonly used coupling agent of composites:-

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5. Following is added to zinc polycarboxylate to improve its manageability:

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6. the property of amalgam that makes it undesirable to bevel occlusal margins of an amalgam cavity preparation is its

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7. For obtaining harder dies to be used for making wax patterns, all of the following can be done except

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8. Pyroplastic flow in dental porcelain

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9. within practical limits when the water/powder ratio is increased beyond the recommended amount in mixing plaster the

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10. diamond particle size of 125-150 um is catagorised as

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11. oxides of all of the following elements in noble metal alloys help in bonding to porcelain except

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12. which orthodontic wire shows shape memory

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13. Which property of composites is most affected by the size and number of fillers:

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14. test used to check setting time of impression material is

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15. the porcelain constituent that fuses at firing temperature and forms a matrix is

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16. All of the following metals are considered to be base metals EXCEPT one.Which one is the EXCEPTION

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17. role if indium in amalgam is

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18. Best cementing medium for self retained all ceramic crown is

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19. tartaric acid in GIC is added to

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20. In mixing dental stone, why should the powder be sprinkled onto the water in the bowl?

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