A. B.P of water
B. < B.P of water
C. Equal of BP of water
D. Is at normal room temperature
Related Mcqs:
- In processing methyl methacrylate, the resin may show porosity if the flask is placed too soon porosity most likely occur_____________?
A. Throughout the denture
B. Near the borders
C. In the thickest part
D. On the denture surface - Polymerisation of heat-cured methyl methacrylate is initiated by______________?
A. Tertiary amine
B. Benzoyl peroxide free radical
C. Hydroquinone
D. Methyl ether - The advantage of unfilled methyl methacrylate is that______________?
A. It can be finished smoothly
B. It has a low degree of flow
C. It’s non-irritation to pulp
D. It’s wear resistant is high - Benzoin methyl ether in a polymer indicates that they may be cured in the presence of________________?
A. UV light
B. Visible light
C. Infrared light
D. Diketone - Hydroquinone is added to methyl methacrylate monomer_________________?
A. To prevent polymerization during storage
B. To initiate release of free radicalls
C. To enable polymerization reaction at room temperature
D. All of the above - Which of the following is not true of boiling water_____________?
A. It can kill hepatitis B virus
B. Used for sterilizing surgical instruments
C. Can kill mycobacterium tuberculosis
D. Can kill vegetative bacterial cells - Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?
A. BIS GMA
B. Polymethyl methacrylate
C. Benzoin methyl ether
D. Silica filter - About polymerization shrinkage of composite all are true, except______________?
A. Polymerization shrinkage is greater if bonded surface area is lesser than unbounded surface area
B. Polymerization shrinkage is high if within the enamel margins
C. Acid etching and priming will decrease polymerization shrinkage
D. Microleakage can occur because of polymerization shrinkage - The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as_____________?
A. Step-growth polymerization
B. Addition polymerization
C. Condensation polymerization
D. Copolymerization - For esthetic areas where high luster is required the restoration used usually______________?
A. Glass ionomer restoratives
B. Hybrid resin composites
C. Microfilled resin composites
D. Macrofilled resin composites
