Chemistry The percentage of oxygen in air is approximately 0.21 0.01 0.78 1 0.21 0.01 0.78 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and antimony Lead and tin Copper and tin Copper and zinc Lead and antimony Lead and tin Copper and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Fat is dispersed in water Water is dispersed in fat Fat and water are dispersed in each other Fat is dissolved Fat is dispersed in water Water is dispersed in fat Fat and water are dispersed in each other Fat is dissolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Endothermic reaction Physical change Exothermic reaction Photochemical reaction Endothermic reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Sulphonates Bicarbonates Bismuthates Nitrates Sulphonates Bicarbonates Bismuthates Nitrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium nitrite Sodium nitrate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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