Chemistry What material is used to make electric heater coil ? Iron Copper Nichrome Silver Iron Copper Nichrome Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect None of these Smog Eutrophication Green house effect None of these Smog Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Ruby Silver Lunar Caustic Horn Silver German Silver Ruby Silver Lunar Caustic Horn Silver German Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Salts Polymers Hydrocarbons Elements Salts Polymers Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Sulphurdioxide Oxygen Nitrogen Carbondioxide Sulphurdioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP