Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Difference of crystalline structures None of these Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these Tetrahedral structure of diamond Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Mercury Molybdenum Lead Manganese Mercury Molybdenum Lead Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Foam Salt Soap Calcium Foam Salt Soap Calcium ANSWER DOWNLOAD EXAMIANS APP
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