Choose the correct answer from the bracket [ Fossil fuel,Hydrogen,electrical energy,methane,Butane,Petroleum,Solar panel ]
.................. provides the power required for artificial satellite.

Choose the correct answer from the bracket [ Fossil fuel,Hydrogen,electrical energy,methane,Butane,Petroleum,Solar panel ] ................... is the main constituent of biogas.

Choose the correct answer from the bracket [ Fossil fuel,Hydrogen,electrical energy,methane,Butane,Petroleum,Solar panel ] The most abundant element in sun is ...............

Choose the correct answer from the bracket [ Fossil fuel,Hydrogen,electrical energy,methane,Butane,Petroleum,Solar panel ] A solar cell convert solar energy into ..................

Uses of some organic compounds are given below. Choose the appropriate compound from the bracket which is suitable to each use. (Teflon, Ester, Ethanoic acid, Ethanol, Power alcohol) a) Uses as a solvent and in the production of different organic compounds. b) Uses in the production of artificial perfumes. c) Used as a fuel in automobiles d) Used in making non-stick cooking vesseles.

Watch the animation video of nuclear fission and fusion Classify the given energy sources into conventional and non-conventional energy.(Fossil fuels,Solar energy,Nuclear energy,Biomass,Hydro Electric Power)