Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 5x/36 7.2 x x/6 5x 5x/36 7.2 x x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Homogeneous systems Solutions Compounds Mixtures Homogeneous systems Solutions Compounds Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ? Incineration Pyrolysis and Gasification All listed here Landfills Incineration Pyrolysis and Gasification All listed here Landfills ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Cadmium Copper Chromium Lead Cadmium Copper Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 3 electron 8 electron 5 electron 10 electron 3 electron 8 electron 5 electron 10 electron ANSWER DOWNLOAD EXAMIANS APP
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