Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Galvanising Hot dipping Electroplating Tinning Galvanising Hot dipping Electroplating Tinning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Iron Sodium Potassium Magnesium Iron Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Lead Zinc Nickel Chromium Lead Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Carbon dioxide Hydrogen sulphide Carbon monoxide Methane Carbon dioxide Hydrogen sulphide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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