Chemistry Hardest allotrope of carbon is Diamond Coke Graphite Lamp black Diamond Coke Graphite Lamp black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Chromium and nickel Copper and chromium Copper and nickel Manganese and copper Chromium and nickel Copper and chromium Copper and nickel Manganese and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Platinum Tin Coal Lead Platinum Tin Coal Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is fluorine bromine oxygen sodium fluorine bromine oxygen sodium ANSWER DOWNLOAD EXAMIANS APP