Chemistry The chemical name of quartz is Calcium phosphate Sodium silicate Sodium phosphate Calcium oxide Calcium phosphate Sodium silicate Sodium phosphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Carbon monoxide Polycyclic hydrocarbons Lead Oxides of nitrogen Carbon monoxide Polycyclic hydrocarbons Lead Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Ozone Oxygen Nitrogen Carbondioxide Ozone Oxygen Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Aluminium Tin Copper Iron Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Chromium Zinc Lead Antimony Chromium Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
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