Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Chromite Mica Manganese Bauxite Chromite Mica Manganese Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and nickel Manganese and copper Copper and chromium Chromium and nickel Copper and nickel Manganese and copper Copper and chromium Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodate Sodium iodide Potassium iodide Iodine Potassium iodate Sodium iodide Potassium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon The balloon is weightless Air exerts an upward force on the balloon Helium is less dense than air Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
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