Chemistry In a Carbonyl group a carbon atom makes double bond with Carbon Oxygen Hydrogen None of these Carbon Oxygen Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Neon Sodium Nitrogen Hydrogen Neon Sodium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alkali metals has highest specific heat? Caesium Rubidium Potassium Lithium Caesium Rubidium Potassium Lithium ANSWER DOWNLOAD EXAMIANS APP
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