Chemistry Which of the following is an iron ore ? Bauxite Lignite Nitrite Magnetite Bauxite Lignite Nitrite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Halogens Light metals Heavy metals Noble gases Halogens Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Acetic acid Butyric acid Caproic acid Formic acid Acetic acid Butyric acid Caproic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Lead Platinum Mercury Zinc Lead Platinum Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP