Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Phosphorus Carbon Sulphur Hydrogen Phosphorus Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of quartz is Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide Sodium silicate Sodium phosphate Calcium phosphate Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with PVC Silicon Teflon Graphite PVC Silicon Teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Excimer laser Dye laser Semiconductor laser Gas laser Excimer laser Dye laser Semiconductor laser Gas laser ANSWER DOWNLOAD EXAMIANS APP
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