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. ? Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Viscosity Cohesion Surface tension Osmosis Viscosity Cohesion Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Deforestation Tourists Sound pollution Acid rain Deforestation Tourists Sound pollution Acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 SO2 NO Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Acetylene Isoprene Vinyl Chloride Neoprene Acetylene Isoprene Vinyl Chloride Neoprene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS