Chemistry The iron ore which contains 72% of iron is : Siderite Magnetite Limonite Haematite Siderite Magnetite Limonite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Glass Cement Paint Gun powder Glass Cement Paint Gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Gas in a liquid Gas in a solid Liquid in a gas Liquid in a liquid Gas in a liquid Gas in a solid Liquid in a gas Liquid in a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-2 O+2 O-22 O2 O-2 O+2 O-22 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
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