Chemistry Dry powder fire extinguishers contain Sand and potassium carbonate Sand and sodium carbonate Sand Sand and sodium bicarbonate Sand and potassium carbonate Sand and sodium carbonate Sand Sand and sodium bicarbonate 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 An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Sublimation Galvanisation Corrosion Reduction Sublimation Galvanisation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Abiotic Non-renewable Renewable Biotic Abiotic Non-renewable Renewable Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Mercury Tin Lead Zinc Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
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