Chemistry The first metal used by man was gold bronze iron copper gold bronze iron copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Atrazine Malathion Isoproturan Ethephon Atrazine Malathion Isoproturan Ethephon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Reduces the organic matter of tissues Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood Reduces the organic matter of tissues Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Dries up the blood ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Zinc and lead Carbon and tin Tin and lead Copper and iron Zinc and lead Carbon and tin Tin and lead Copper and iron ANSWER DOWNLOAD EXAMIANS APP