What is the number of atoms in 46 g of sodium-23 (N = Avogadro constant)?
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In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.A speech or a presentation made without previous preparation.
In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word.
Economic costs of production differ from accounting costs in that
Economic costs add the opportunity costs of a firm using its own resources while accounting costs do not.
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In which city of India is Charminar located?
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
At somebody's expense
"Personology" refers to _____.
Farad is unit of ___________.