Science Quiz from 196 to 200

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196. X-rays were discovered by
(A) Otto Hahn
(B) Edwin Hubble
(C) Wilhelm Rontgen
(D) Ernest Rutherford

197. The Nobel prize in physics for the discovery of the law of photoelectric effect was awarded to
(A) Newton
(B) Einstein
(C) Rontgen
(D) Rutherford

198. The symbol of gold is
(A) Au
(B) Ag
(C) Fe
(D) Sg

199. Plaster of Paris can be produced by heating
(A) Graphite
(B) Gypsum
(C) Zinc
(D) Lead

200. Which from the following is NOT true about Helium gas?
(A) Colourless
(B) Odorless
(C) Tasteless
(D) Toxic

ANSWERS: SCIENCE QUIZ
196. (C) Wilhelm Rontgen
197. (B) Einstein
198. (A) Au
199. (B) Gypsum
200. (D) Toxic