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A N EXCEL PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
- Calculate the concentration of sugar (C12H22O11) in mol L^-1 if its 20...
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- Match the following prefixes with their multiples
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- If the speed of light is 3.0xx10^8ms^(-1) calculate the distance cover...
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- Dinitrogen and dihydrogen react as N2(g)+3H2(g)to2NH3(g) Calculate the...
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- Dinitrogen and dihydrogen react as N2(g)+3H2(g) to 2NH3(g) Will any of...
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- Dinitrogen and dihydrogen react as N2(g)+3H2(g) to 2NH3(g) If yes, ca...
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- How are 0.50 mol Na2CO3 and 0.50 M of Na2CO3 different.
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- If 10 volumes of dihydrogen reacts with 5 volumes of dioxygen gas, how...
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- Which one of the following will have largest number of atoms? 1g Au (...
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- Calculate the mass of one 12C atom in gram.
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- Calcium carbonate reacts with HCl as CaCO3+2HClrarrCaCl2+H2O+CO2 Calcu...
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- Manganese dioxide reacts with hydrochloric acid as MnO2+4HClrarrMnCl2+...
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- Chlorine is prepared in the laboratory by treating manganese dioxide(M...
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- Calculate the number of moles of O2 required to produce 240 g of Mgo ...
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- How many moles of oxygen are given by the complete decomposition of 1...
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- If the mass percent of various elements of a compound' is known, its e...
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- If the mass percent of various elements of a compound' is known, its e...
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- One mole is the amount of substance that contains as many elementary p...
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- One mole is the amount of substance that contains as many elementary p...
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- The laws of chemical combination are the basis of the atomic theory. N...
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