dear sir i need rrb chennai Section engineer S & T for last
2 year question papers. Plz send my email id is
gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com
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What is Potassium Hydroxide ?
The magnitude of electrostatic force between two identical positive ions that are separated by a distance of 5.0 x 10– 10 m is 3.7 x 10–9 N. (a) What is the charge of each ion? (b) How many electrons are “missing” from each ion?
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