the particle of 'A' is 650×10-9m in diameter whereas the particle of'B' is 50×10-9m i) identify the substance A and B ii) illustrate one similar characteristics point on both pliz answer thiss
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the particle of 'A' is 650×10-9m in diameter whereas the particle of'B' is 50×10-9m i) identify the substance A and B ii) illustrate one similar characteristics point on both pliz answer thiss
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