Chemistry In an oxygen molecule, two atoms are united by Two bonds Four bonds Three bonds One bond Two bonds Four bonds Three bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Lead Copper Mercury Zinc Lead Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Cadmium Graphite Zinc Copper Cadmium Graphite Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Gasolin Water None of these Choloform Gasolin Water None of these Choloform ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
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