Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Carbon monoxide Ethane Methane Carbon di-oxide Carbon monoxide Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns 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 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 heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Copper Zinc Nichrome Tungsten Copper Zinc Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Helium Nitrogen Chlorine Hydrogen Helium Nitrogen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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