1.Chemically aspirin is:
 A. Acetylsalicylic acid
 B. Sodium Salicylate
 C. Methylsalicylate
 D. Ethylsalicylate
 
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2.The most abundant rare gas in the atmosphere is:
 A. Helium
 B. Neon
 C. Argon
 D. Xenon
 
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3.Brass is an alloy of:
 A. Iron and copper
 B. Copper and tin
 C. Copper and aluminum
 D. Copper and zinc
 
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4.Fullerene is:
 A. An allotrope of carbon
 B. An synonym for carborundum
 C. Artificial emery
 D. A compound of carbon
 
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5.Milk is an example of:
 A. Emulsion
 B. Gel
 C. Foam
 D. Sol
 
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6.X-rays are streams of:
 A. Electrons
 B. Photons
 C. Protons
 D. None of these
 
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7.Which one of the following is not a mixture?
 A. Graphite
 B. Glass
 C. Brass
 D. Steel
 
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8.A body which is a good absorber of heat is also a:
 A. good reflector
 B. cannot be predicted
 C. good radiator
 D. bad radiator
 
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