Chemistry The most abundant element by number in the living system is : Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Na Ag Fe Hg Na Ag Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3200°C 4000°C 2800°C 3600°C 3200°C 4000°C 2800°C 3600°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its high density its high polishing its chemical inertness presence of free electrons its high density its high polishing its chemical inertness presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester None of these Acrylic Polymer Polyester None of these Acrylic Polymer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS