Chemistry Which one is a naturally occuring noble gas Potassium Sodium Boron Argon Potassium Sodium Boron Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Surface tension Osmosis Viscosity Cohesion Surface tension Osmosis Viscosity Cohesion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium phosphate Calcium sulphate Calcium borate Calcium chloride Calcium phosphate Calcium sulphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Feldspar Galena Quartz Mica Feldspar Galena Quartz Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Plum and cake Cream and cake Cream and pudding Plum and pudding Plum and cake Cream and cake Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
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