301 Why normal rain is slightly acidic? Everyday Science Medium Full question → A due to presence of dust in air B carbon dioxide and water in clouds react to form carbonic acid C Ozone depletion D All of these
302 The yellow colour in photochemical smog is due to the presence of____________? Everyday Science Medium Full question → A Sulphur dioxide B Carbon dioxide C Nitrogen dioxide D CFC’s
303 Human beings use _______ liters of pure oxygen per day. Everyday Science Medium Full question → A 550 B 2500 C 1,050 D 10,000
304 In 2013, Planck measured the age of the universe at ___________? Everyday Science Medium Full question → A 13.82 billion years B 4.53 billion years C 4.6 billion years D 4.53 billion years
306 The study of heavenly bodies is known as_________? Everyday Science Medium Full question → A Astrology B Astronautics C Astronomy D Astrophysics
307 kilohertz (kHz) is a unit which measures? Everyday Science Medium Full question → A Power used by a current of one ampere B Electromagnetic radio wave frequencies C Voltage D Electric resistance
308 Which of the following does not pollute the air? Everyday Science Medium Full question → A Nitrogen Dioxide B Sulfur dioxide C Carbon dioxide D none of these
309 Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body? Everyday Science Medium Full question → A Brass B Pectora C Interstitium D Otic
310 One Joule is equal to__________? Everyday Science Medium Full question → A 10 5 ergs B 10 3 ergs C 107 ergs D 10 11 ergs
311 ‘Bar’ is the unit of___________? Everyday Science Medium Full question → A Temperature B Heat C Atmospheric pressure D Current
312 “Ornithology” is the study of_____________? Everyday Science Medium Full question → A Birds B Insects C Sea Plants D Sea Animals
313 How many Dynes are there in one gram weight? Everyday Science Medium Full question → A 993 B 981 C 250 D 375
314 The melting point of ice is_________? Everyday Science Medium Full question → A 00C B 100 0 C C 4 0 C D -4 0 C
315 Wind always blows from area of ________? Everyday Science Medium Full question → A Low pressure to high pressure B High pressure to low pressure C Only low pressure D Only high pressure
316 Density of Ice is_________? Everyday Science Medium Full question → A 800kg/m3 B 917kg/m3 C 930kg/m3 D 1000kg/m3
317 The density of Air is_____________? Everyday Science Medium Full question → A 0.225 kg/m3 B 1.025 kg/m3 C 1.225 kg/m3 D 1.425 kg/m3
318 How long does it take for the moon to orbit the earth once? Everyday Science Medium Full question → A 26.3 days B 27.3 days C 28.3 days D 30.3 days
319 The distance b/w Earth and Moon is___________? Everyday Science Medium Full question → A 3,50,000km B 3,60,100km C 3,72,000km D 3,84,400km
320 The Mirror used in the Automobiles are___________? Everyday Science Medium Full question → A Concave B Convex C Plains D Reflective