Chemistry Gold dissolves in Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Element Heterogeneous mixture Homogeneous mixture Compound Element Heterogeneous mixture Homogeneous mixture Compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry A colloidal system in which a liquid is dispersed in a liquid is called Emulsion Gel Sol Precipitate Emulsion Gel Sol Precipitate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 115 127 112 118 115 127 112 118 ANSWER DOWNLOAD EXAMIANS APP