Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will increase four-fold Will be reduced to half Will be doubled Remains unchanged Will increase four-fold Will be reduced to half Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite Limonite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Water softening Flocculation Sedimentation Filtration Water softening Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
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