Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.18 0.25 0.305 0.27 0.18 0.25 0.305 0.27 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Zinc plating Alloy formation Galvanization Vulcanization Zinc plating Alloy formation Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Fire in coal mines Trade winds Dry farming Greenhouse effect Fire in coal mines Trade winds Dry farming Greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Lamp black Diamond Graphite Coke Lamp black Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP