Chemistry What is used in storage batteries? Lead Copper Tin Zinc Lead Copper Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Forest residues Crop residues Animal wastes Aquatic plants Forest residues Crop residues Animal wastes Aquatic plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide Nitrogen dioxide Hydrogen sulphide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP