Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Adsorption Reduction Bleaching Oxidation Adsorption Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, India, European Union, USA European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India China, India, European Union, USA European Union, China, USA, India USA, India, China, European Union China, USA, European Union, India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Zinc Aluminium Copper Iron Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Leaching Smelting Zone melting Slugging Leaching Smelting Zone melting Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher A, b A, c B, c D, a A, b A, c B, c D, a ANSWER DOWNLOAD EXAMIANS APP