Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) Ultraviolet rays (UV) X–rays Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Thorium Uranium Mercury Protactinium Thorium Uranium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water They are not easily combustible They contain mainly carbon and hydrogen They have low melting and boiling points They do not dissolve in water They are not easily combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to O3injury NO2injury HF injury SO2injury O3injury NO2injury HF injury SO2injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 10 6 4 3 10 6 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Starch water Salt water Sweet water Pure water Starch water Salt water Sweet water Pure water ANSWER DOWNLOAD EXAMIANS APP
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