Chemistry Solder metal is an alloy of Copper and tin Lead and antimony Copper and zinc Lead and tin Copper and tin Lead and antimony Copper and zinc Lead and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium chloride Sodium carbonate Sodium nitrate Sodium bicarbonate Sodium chloride Sodium carbonate Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Phosphorus Sodium Graphite Silicon Phosphorus Sodium Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Homogeneous systems Compounds Mixtures Solutions Homogeneous systems Compounds Mixtures Solutions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Platinum Lead Tin Coal Platinum Lead Tin Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO SO2 CFC CO2 CO SO2 CFC CO2 ANSWER DOWNLOAD EXAMIANS APP