Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Calcium Barium Strontium Sodium Calcium Barium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium sulphate equivalents Calcium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Mercury Lead Platinum Zinc Mercury Lead Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Brass Bronze Silver Copper Brass Bronze Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethane Acetylene Methane Ethylene Ethane Acetylene Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
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