Chemistry Which one of the following minerals is found in pure form? Bauxite Manganese Iron Copper Bauxite Manganese Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Brass Silver Copper Bronze Brass Silver Copper Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Copper Nickel Zinc Silver Copper Nickel Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Clay Alum Alumina Gypsum Clay Alum Alumina Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Salt Soap Calcium Foam Salt Soap Calcium Foam ANSWER DOWNLOAD EXAMIANS APP
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