Chemistry Hard steel contains 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Iron Copper Bauxite Manganese Iron Copper Bauxite Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases An electron acceptor It releases H2 in a chemical reaction An electron donor In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Salts Elements Hydrocarbons Polymers Salts Elements Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Oxygen Carbon monoxide Helium Carbon dioxide Oxygen Carbon monoxide Helium Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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