Chemistry Which is abundant in Gobar gas? Hydrogen Carbon dioxide Methane Oxygen Hydrogen Carbon dioxide Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon dioxide Freon Carbon monoxide Chloro fluorocarbon Carbon dioxide Freon Carbon monoxide Chloro fluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Hydration and dissociation of water Dissociation of water Dehydration Polymerisation Hydration and dissociation of water Dissociation of water Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 B and c C and d A and c A and b B and c C and d A and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Phenyl Salicilate Methyl Salicilate Acetyl Salicilic acid Methoxy benzoic acid Phenyl Salicilate Methyl Salicilate Acetyl Salicilic acid Methoxy benzoic acid ANSWER DOWNLOAD EXAMIANS APP
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