Review Of Homework - Metals And Gems: Question Preview (ID: 15535)

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What color are amethysts?
a) Colorless b) Red c) Purple d) Blue
Which two are chemically the same?
a) diamond and amethyst b) diamond and ruby c) ruby and sapphire d) sapphire and amethyst
Diamond's hardness on the Moh's scale is
a) 6 b) 7 c) 9 d) 10
Which metal is liquid just about room temp?
a) hydrogen b) gallium c) germanium d) platinum
Which of the following is an enzyme?
a) Johnslazy b) amylase c) lactose d) itsinmycase
What is a catalyst?
a) molecule which slows a reaction and is not used up b) molecule which slows a reaction and is used up c) molecule which speeds up a reaction and is used up d) molecule which speeds a reaction and is not used up
Which of the following is NOT a property of metals?
a) lustrous b) brittle c) conductive d) malleable
Your energy production and fat storage is controlled by your
a) oxylism b) tableism c) buddhism d) metabolism
What color are barium fireworks? (and presumably lightsabers?)
a) green b) blue c) purple d) red
Which is element is common in meteorites, but rare in earth's crust?
a) palladium b) osmium c) iridium d) osmium
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