Chemistry Which of the following is very reactive and kept in kerosene? Potassium Bromine Iodine Sodium Potassium Bromine Iodine Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Nitrogen Ethane All of these Methane Nitrogen Ethane All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
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