Chemistry Heavy metal pollution of water is caused by: Acid Plants Paints Wood burning Domestic sewage Acid Plants Paints Wood burning Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyamide polymer Polyvinyl polymer Polyester polymer Polysaccharide Polyamide polymer Polyvinyl polymer Polyester polymer Polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Chloride Aspirin Picric acid Benzene Chloride Aspirin Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode ANSWER DOWNLOAD EXAMIANS APP