Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium Calcium, magnesium and iron Magnesium, calcium and tin Magnesium, tin and iron Iron, tin and calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 1 KJ 30 KJ 29 KJ 39 KJ 1 KJ 30 KJ 29 KJ 39 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s Wool is Zinc oxide Zinc blende Zinc sulphate Zinc carbonate Zinc oxide Zinc blende Zinc sulphate Zinc carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coating of solid waste with impervious material is known as Encapsulation Chemical fixation Capping Landfill Encapsulation Chemical fixation Capping Landfill ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Carbon Graphite Lead Mica Carbon Graphite Lead Mica ANSWER DOWNLOAD EXAMIANS APP
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