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Standard VII
Physics
Chemical Effects of Current
An ion which ...
Question
An ion which has a positive charge is called a:
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Solution
An ion is a charged atom or molecule. A positively charged ion is formed when it loses an electron & is called cation. In Faraday's nomenclature, cations were named because they were attracted to the cathode in a galvanic device.
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A positively charged ion is called :
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An ion having a positive charge is called
whereas the one bearing a negative charge is called
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Fill in the following blanks with suitable words:
(a) The particle which is formed by the gain of electrons by an atom is called
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(b) The particle which is formed by the loss of electrons by an atom is called
___
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(c) The particle which is formed by the loss or gain of electrons by an atom is called
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(e) A sulphide ion has negative charge because it contains less
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Fill in the following blanks with suitable words :
(a) The particle which is formed by gain of electrons by an atom is called ...................
(b) The particle which is formed by the loss of electrons by an atom is called ...................
(c) The particle which is formed by the loss or gain of electrons by an atom is called .....................
(d) A potassium ion has positive charge because it contains less .................... than ...................
(e) A sulphide ion has negative charge because it contains less ....................... than ...................
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To bring a unit positive charge from infinity to a point in an electric field, some work has to done, which is called:
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