Chemistry Which mineral is the ore of aluminium ? Siderite Haematite Magnetite Bauxite Siderite Haematite Magnetite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low inflammable energy Lonic band High inflammable energy Low Energy of dissociation Low inflammable energy Lonic band High inflammable energy Low Energy of dissociation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Antarctica Europe India Africa Antarctica Europe India Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Bees wax Jojoba wax Paraffin wax Carnauba wax Bees wax Jojoba wax Paraffin wax Carnauba wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP