Chemistry Which mineral is the ore of aluminium ? Haematite Siderite Bauxite Magnetite Haematite Siderite Bauxite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium palmitate Sodium stearate Sodium salt of benzene sulphonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Fe Zn Ca Ag Fe Zn Ca Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same spin Opposite spin Same or opposite spin No spin Same spin Opposite spin Same or opposite spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity small size of fluorine atom strong F - F bond availability of d-orbitals its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
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