Chemistry Nitric acid does not react with Iron Gold Copper Zinc Iron Gold Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Pure water Starch water Sweet water Salt water Pure water Starch water Sweet water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid Phosphoric acid Hydrochloric acid Nitric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Heterogeneous Homogeneous Pure substance Both A and B Heterogeneous Homogeneous Pure substance Both A and B ANSWER DOWNLOAD EXAMIANS APP