Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Zinc Copper Aluminium Iron Zinc Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Copper Nichrome Zinc Tungsten Copper Nichrome Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Pearl Topaz Opal Cat's-eye Pearl Topaz Opal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Cancer Silicosis Pneumoconiosis Asthma Cancer Silicosis Pneumoconiosis Asthma ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Gold Iron Silver Aluminium Gold Iron Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Ammonia Hydrogen Sulphur dioxide Carbon dioxide Ammonia Hydrogen Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP