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1) What are compositions of petroleum? 2) Give two advantages of gaseous fuel over solid and liquid fuels.3) Why detectors to be used for detecting the flow of current?4) Define the detector based on magnetic compass.5) Write a application of electrolysis.​

Answer»

tion:0 PETROLEUM is also called black gold magnetic COMPASS is DEFINED as the it found the direction of LIKE we can we can produce the magnet in inside the compass it will FIND the direction of



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