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NDA PREVIOUS YEARS-BASIC CONCEPTS OF CHEMISTRY, ATOMIC STRUCTURE-Chemistry
- Protons and neutrons are bound in a nucleus by the
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- Which one among the followng most correctly determines the atomic numb...
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- The number of protons in a negatively charged atom (anion) is
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- Which one among the following is not a mixture ?
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- Which one among the following is correct regarding .^(20)Ne, .^(23)Na^...
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- Which of the following pairs is/are correctly matched ? 1. Isotopes ...
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- The nucleus of a singly ionsized carbon atom contains
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- Which one among the following nitrogen compounds has the least percent...
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- Which one among the following transitions of electron of hydrogen atom...
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- Which one among the following is the most appropriate statement with r...
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- Match List I with List II and select the correct answer using the code...
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- Which one among the following equations is correctly balanced ?
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- Which one among the following is the equivalent weight of sulphuric ac...
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- The phenomenon of radioactivity was discovered by
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- Which one among the following is not a chemical change ?
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- The following questions consist of two statements, one labelled as the...
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- The question consist of two statements, Statement I and Statement II. ...
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- A mixture of naphthalene and benzoic acid can be separated by
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- The number of valence electrons in the O^(2-) ion is
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- Which one of the following is the correct electronic configuration of ...
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