A. 19%
B. 2%
C. 1.7%
D. 4%
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Related Mcqs:
- Who was the first person to introduce cast inlay restoration into dentistry ?
A. William H Taggart
B. Buonocore
C. G.V. Black
D. Bowen - The pure form of gold used in dentistry is known as___________________?
A. Cohesive gold
B. Non cohesive gold
C. Class I casting gold
D. Class IV casting gold - The material used in its pure form in dentistry is______________?
A. Composite
B. Silver
C. Gold
D. Amalgam - The component in very minor quantity in stainless steel that changes the properties to a maximum level is____________?
A. Carbon
B. Molybdenum
C. Chromium
D. Nickel - The maximum content of vitamin E is found in____________?
A. Cold liver oil
B. Fish liver oil
C. Wheat germ oil
D. Liver - Maximum fluoride content is seen in_____________?
A. Dental cementum
B. Dental pulp
C. Enamel
D. Dentin - Gold content of an 18 carat alloy is______________?
A. 25%
B. 50%
C. 75%
D. 100% - Austenite is an alloy of iron of and carbon with the iron in______________?
A. Alpha form
B. Beta form
C. Gamma form
D. None of the above - Corrosion of stainless steel is due to formulation of_________________?
A. Chromium carbide
B. Carbon carbide
C. Iron carbide
D. Nickel carbide - Tempering of steel cause________________?
A. Increases its toughness
B. Increases hardness
C. Increase ductility
D. decreases its toughness
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