Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Chlorine Sulphur Sponge Polythene Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Potassium carbonate Sodium carbonate Sodium hydroxide Sodium bicarbonate Potassium carbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield Silicosis Respiratory diseases (e.g.asthma) Cancer Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Exfoliation Oxidation Corrosion Carbonation Exfoliation Oxidation Corrosion Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used as an explosive Used to fuse two metals Used as an abrasive Used to melt metals Used as an explosive Used to fuse two metals Used as an abrasive ANSWER DOWNLOAD EXAMIANS APP
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