Chemistry Which of the following is not a precious/semi-precious stone? Emerald Pearl Ruby Sapphire Emerald Pearl Ruby Sapphire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Zinc Copper Gold Iron Zinc Copper Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Gypsum Alum Alumina Clay Gypsum Alum Alumina Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Chromium Cadmium Gold Cobalt Chromium Cadmium Gold Cobalt ANSWER DOWNLOAD EXAMIANS APP