Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Phosphorous Magnesium Sulphur Silicon Phosphorous Magnesium Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in All of these Semiconductors Solar energy devices Transistors All of these Semiconductors Solar energy devices Transistors ANSWER DOWNLOAD EXAMIANS APP
Chemistry White coal is Diamond None of these Hydro-electricity Uranium Diamond None of these Hydro-electricity Uranium 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 Will be doubled 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces evaporation of petrol Reduces consumption of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
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