Chemistry Brass is a Homogeneous mixture Heterogeneous mixture Compound Element Homogeneous mixture Heterogeneous mixture Compound Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Bronze Silver Copper Brass Bronze Silver Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen oxygen carbon hydrogen nitrogen oxygen carbon hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 3 electron 8 electron 10 electron 5 electron 3 electron 8 electron 10 electron 5 electron ANSWER DOWNLOAD EXAMIANS APP