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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- The correctly reported answer of the addition of 4.523, 2.3 and 6.24 w...
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- The answer of the calculation (2.568 xx 5.8)/(4.168) in significant fi...
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- How many significant figures are present in the following ? (i) 0.00...
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- 314.000 has how many significant figures.
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- The correctly reported difference of 16.4215 and 6.01 will have signif...
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- After rounding off 1.235 and 1.225, we will have their answer respecti...
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- In the formation of SO(2) and SO(3) the ratio of the weights of oxygen...
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- 14gm of element X combine with 16gm of oxygen. On the basis of this in...
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- Law of multiple proportions is illustrated by one of the following pai...
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- A sample of pure carbon dioxide, irrespective of its source contains 2...
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- Boron has two istopes B^(10) & B^(11) whose relative abundances are 20...
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- Which of the following has highest mass
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- 1.5 moles of oxygen atoms are present in
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- The number of atoms in 4.25 g of NH(3) is approximately
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- 12 gm of an alkaline earth metal gives 14.8 g of its nitride. The atom...
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- The isotopes of chlorine with mass numbers 35 and 37 exist in the rati...
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- The gas having same number of molecules as 16g of oxygen is
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- The weight of gaseous mixture containing 6.02 xx 10^(23) molecules of ...
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- The density of a gas at S.T.P is 1.50 grams per litre. The molecular w...
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- The no of electrons present in one mole of Azide ion are (N(3)^(-))
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