Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Ethylene ozonide D.T. Methyl bromide Benzene Ethylene ozonide D.T. Methyl bromide Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Zinc Tin Lead Carbon Zinc Tin Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Terricot Cotton Nylon Rayon Terricot Cotton Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Electronegativity Excitation potential Electron affinity Ionization energy Electronegativity Excitation potential Electron affinity Ionization energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
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