Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its reducing character Its non-metallic character Its electropositive character Its affinity for non-metal Its reducing character Its non-metallic character Its electropositive character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Silicon Tantalum Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser Dye laser Gas laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Cast iron Stainless steel Wrought iron High speed steel Cast iron Stainless steel Wrought iron High speed steel ANSWER DOWNLOAD EXAMIANS APP