Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Higher fatty acids and stearic acid Bees wax and stearic acid Bees wax and paraffin wax Paraffin was and stearic acid Higher fatty acids and stearic acid Bees wax and stearic acid Bees wax and paraffin wax Paraffin was and stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is neither released nor absorbed Energy is always absorbed More energy is released than is absorbed Energy in always released Energy is neither released nor absorbed Energy is always absorbed More energy is released than is absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide Carbon dioxide Carbon suboxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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