Chemistry The purest form of water in nature is Lake water River water Rain water Sea water Lake water River water Rain water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Copper Silver Aluminum Manganese Copper Silver Aluminum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Disinfectant Fertiliser Pesticide Insecticide Disinfectant Fertiliser Pesticide Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
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