Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Bleaching Oxidation Reduction Adsorption Bleaching Oxidation Reduction Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium stearate Sodium salt of benzene sulphonic acid Sodium palmitate Sodium salt of benzene carboxylic acid Sodium stearate Sodium salt of benzene sulphonic acid Sodium palmitate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Aluminium vessel Copper vessel Glass vessel Earthen vessel Aluminium vessel Copper vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation 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 Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
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