Chemistry Which of the following is not soluble in water ? Sodium sulphate Lead Sulphate Zinc sulphate Potassium sulphate Sodium sulphate Lead Sulphate Zinc sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Ammonium chloride Sodium nitrate Calcium chloride Sodium chloride Ammonium chloride Sodium nitrate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Cream and cake Cream and pudding Plum and cake Plum and pudding Cream and cake Cream and pudding Plum and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Napthalene Graphite Diamond Teflon Napthalene Graphite Diamond Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Smoke Carbon monoxide Sulphur dioxide Carbon dioxide Smoke Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
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