Chemistry Which of the following is used for refrigeration? Phosphine Freon Chlorine Sulphur dioxide Phosphine Freon Chlorine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Acetic acid Citric acid Oxalic acid Hydrochloric acid Acetic acid Citric acid Oxalic acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Nitric acid Ozone Sulphuric acid Carbon monoxide Nitric acid Ozone Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Antarctica Africa Europe India Antarctica Africa Europe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Deforestation Tourists Acid rain Sound pollution Deforestation Tourists Acid rain Sound pollution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Pearl Topaz Opal Cat's-eye Pearl Topaz Opal ANSWER DOWNLOAD EXAMIANS APP