Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is oxygen nitrogen hydrogen carbon oxygen nitrogen hydrogen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.01 0.21 0.78 1 0.01 0.21 0.78 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Photochemical smog Sulphurous smog Acid fumes Industrial smog Photochemical smog Sulphurous smog Acid fumes Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Aluminum Copper Silver Manganese Aluminum Copper Silver Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A homogeneous mixture A compound A suspension A heterogeneous mixture A homogeneous mixture A compound A suspension A heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? High speed steel Cast iron Wrought iron Stainless steel High speed steel Cast iron Wrought iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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