Chemistry Which of the following metals occurs in free state ? Copper Lead Zinc Iron Copper Lead Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Nitric acid Carbon monoxide Ozone Sulphuric acid Nitric acid Carbon monoxide Ozone Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc blende Zinc sulphate Zinc oxide Zinc carbonate Zinc blende Zinc sulphate Zinc oxide Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Neon Argon Helium Krypton Neon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in water Ethylene glycol Gaseous formaldehyde Formaldehyde in methanol Formaldehyde in water Ethylene glycol Gaseous formaldehyde Formaldehyde in methanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Acid rain Deforestation Tourists Sound pollution Acid rain Deforestation Tourists Sound pollution ANSWER DOWNLOAD EXAMIANS APP