Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Magnetization Sedimentation Sublimation Evaporation Magnetization Sedimentation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.01 0.78 0.21 1 0.01 0.78 0.21 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, calcium and tin Magnesium, tin and iron Calcium, magnesium and iron Iron, tin and calcium Magnesium, calcium and tin Magnesium, tin and iron Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Carbon dioxide and carbon monoxide Ozone and carbon dioxide Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Octane number Gold number Cetane number Added unlead compounds Octane number Gold number Cetane number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP
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