Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Silicon and Germanium Carbon and Platinum Iridium and Germanium Tungsten and Platinum Silicon and Germanium Carbon and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Lead Chromium Cadmium Copper Lead Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 2 4 1 3 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead Ferrous sulphide Lead sulphide Graphite Lead Ferrous sulphide Lead sulphide Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
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