Chemistry The iron ore which contains 72% of iron is : Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to iso-octane 3-methyl octane n-heptane 2-methyl octane iso-octane 3-methyl octane n-heptane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Acetic acid Oxalic acid Formic acid Salycylic acid Acetic acid Oxalic acid Formic acid Salycylic acid ANSWER DOWNLOAD EXAMIANS APP
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