Chemistry Poison used for killing rats is Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Nitrogen Sulphur Fluorine Chlorine Nitrogen Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x x/6 5x 5x/36 7.2 x x/6 5x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Fuel combustion Industrial process Solid waste disposal Transportation Fuel combustion Industrial process Solid waste disposal Transportation ANSWER DOWNLOAD EXAMIANS APP
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