Chemistry What is used in storage batteries? Zinc Copper Lead Tin Zinc Copper Lead Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Nickel Tin Zinc Copper Nickel Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature N2 O2 F2 H2 N2 O2 F2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze copper iron gold bronze copper iron gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Alizarin Crystal violet Aniline blue Phenolphthalein Alizarin Crystal violet Aniline blue Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP