Science Bowl

GENERAL SCIENCE

General Science - 5

GENR-91; Short Answer:  What is the better known name for the deadly poison prussic acid?

ANSWER:   CYANIDE  or  HYDROGEN CYANIDE

GENR-91; Short Answer:  What colorless, pungent gas is often dissolved in water to yield a
solution that is used as a biological preservative? 

ANSWER:   FORMALDEHYDE

GENR-91; Short Answer:  What is the rest mass of a photon? 

ANSWER:   ZERO

GENR-91; Short Answer:  What yellow metal is an alloy of copper and zinc? 

ANSWER:   BRASS

GENR-91; Short Answer:  What is the name given to the process, discovered by Goodyear, of
adding sulfur to heated rubber?

ANSWER:   VULCANIZATION

GENR-91; Short Answer:  Used primarily in fertilizers, which element is never found free in
nature even though it makes up about 2.5% of the earth's crust?

ANSWER:   POTASSIUM

GENR-91; Short Answer:  What element, whose symbol derived from the Latin for "liquid
silver", has been found in Egyptian tombs from 1500 B.C.? 

ANSWER:   MERCURY

GENR-91; Short Answer:  What poisonous alkaloid is extracted from tobacco leaves and widely
used as an insecticide?

ANSWER:   NICOTINE

GENR-91; Short Answer:  What is the name for steel alloyed with chromium? 

ANSWER:   STAINLESS STEEL