Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Emulsification Adsorption Coagulation Absorption Emulsification Adsorption Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Cancer Silicosis Asthma Pneumoconiosis Cancer Silicosis Asthma Pneumoconiosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyolefin Polyester Acrylic Polyamide Polyolefin Polyester Acrylic Polyamide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia Assimilation of nitrate Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Conversion of molecular nitrogen to ammonia ANSWER DOWNLOAD EXAMIANS APP
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