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Conjugate base of 
is
Conjugate base of is
Chemistry-General
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A certain buffer solution contains equal concentration of X– and HX. The Kb for X– is 10–10. The pH of the buffer is
A certain buffer solution contains equal concentration of X– and HX. The Kb for X– is 10–10. The pH of the buffer is
Chemistry-General
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The hardness of water is usually expressed in
The hardness of water is usually expressed in
Chemistry-General
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One litre of 1M CuSO4 solution is electrolysed. After passing 2F of electricity molarity of CuSO4 will be
One litre of 1M CuSO4 solution is electrolysed. After passing 2F of electricity molarity of CuSO4 will be
Chemistry-General
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During transformation of cXa to dYb, the number of 
particles emitted are
During transformation of cXa to dYb, the number of particles emitted are
Chemistry-General
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Glucose when heated with CH3OH in presence of dry HCl gas 
- and -methyl glycosides are formed. This is because it contains
Glucose when heated with CH3OH in presence of dry HCl gas - and -methyl glycosides are formed. This is because it contains
Chemistry-General
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In P4O6 and P4O10, the number of oxygen atoms bonded to each phosphrous atomes are respectively
In P4O6 and P4O10, the number of oxygen atoms bonded to each phosphrous atomes are respectively
Chemistry-General
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At extremely low pressure, the van der Waal's equation for one mole of a gas may be written as
At extremely low pressure, the van der Waal's equation for one mole of a gas may be written as
Chemistry-General
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Fe(OH)3 can be separated from Al(OH)3 by addition of
Fe(OH)3 can be separated from Al(OH)3 by addition of
Chemistry-General
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Yellow ammonium sulphide solution is a suitable reagent used for the separation of
Yellow ammonium sulphide solution is a suitable reagent used for the separation of
Chemistry-General
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A substance which gives a yellow precipitate when boiled with an excess of HNO3 and ammonium molybdate and a red precipitate with silver nitrate is
A substance which gives a yellow precipitate when boiled with an excess of HNO3 and ammonium molybdate and a red precipitate with silver nitrate is
Chemistry-General
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The material used in solar cell is
The material used in solar cell is
Chemistry-General
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Which of the following is the strongest oxidising agent?
Which of the following is the strongest oxidising agent?
Chemistry-General
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Amongst sodium halides NaF has the highest m.p. because it has
Amongst sodium halides NaF has the highest m.p. because it has
Chemistry-General
Maths-
Let f(x) =
, 0 < x < Π/2. Then the minimum value of f(x) is
Let f(x) =, 0 < x < Π/2. Then the minimum value of f(x) is
Maths-General
