Chemistry Organic compounds are Co-ordination compounds Ionic compounds Covalent compounds Interstitial compounds Co-ordination compounds Ionic compounds Covalent compounds Interstitial compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and cake Plum and cake Cream and pudding Plum and pudding Cream and cake Plum and cake Cream and pudding Plum and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Ionic Nonpolar Polar Covalent Ionic Nonpolar Polar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen ANSWER DOWNLOAD EXAMIANS APP
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