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α-particle
β-particles
γ-rays
None of these
Which scientist discovered the Atomic Theory?
Which scientist discovered the radioactive element radium?
Which solution is most concentrated?
Which statement best describes an O3 molecule?
Which subatomic particle has a negative charge?
Which type of fire extinguisher is used for petroleum fire ?
Which variety of coal contains recognisable traces of the original plant material ?
White coal is
White lung cancer is caused by
White phosphorous is stored in