Chemistry The compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays Positive rays ? and ? rays X-rays ?-rays Positive rays ? and ? rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Aluminium Silver Sodium Calcium Aluminium Silver Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Oxygen fertilization effect Global warming Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Oxygen fertilization effect Global warming Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere ANSWER DOWNLOAD EXAMIANS APP
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