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Which can be used as a liquid fertilizer?
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NUST Entry Test
Chemistry
Chemical Industries
In Paper industry, sodium sulphite is buffered with
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Chemistry
Chemical Industries
The zone where moisture is removed and clay is broken down into $\rm{Al_{2}O_{3}}$, $\rm{SiO_{2}}$, $\rm{Fe_{2}O_{3}}$ is
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Chemistry
Chemical Industries
Percentage of nitrogen in urea is
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Chemistry
Chemical Industries
A solution having $\rm{pH=0}$ is
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Chemistry
Chemical Equilibrium
For a reversible reaction to reach an equilibrium state the reaction should be carried out in
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Chemistry
Chemical Equilibrium
If $\rm{K_{c}=1\times10^{-15}}$, what does the following reaction show: $\rm{2N+O_{2}\rightleftharpoons 2NO}$
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Chemistry
Chemical Equilibrium
In a exothermic process, forward direction reaction is favored by
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Chemistry
Chemical Equilibrium
How can we get maximum yield of ammonia for the following reaction: $\rm{N_{2(g)}+3H_{2(g)}\rightleftharpoons 2NH_{3(g)}}$
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Chemistry
Chemical Equilibrium
If $\rm{K_{c}=1}$, then reaction is:
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Chemistry
Chemical Equilibrium
Which one of these shows Henderson equation?
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Chemistry
Chemical Equilibrium
If concentration of $\rm{OH^{-}}$ ions is 0.1 molar. What is the pH of the solution?
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Chemistry
Chemical Equilibrium
How can we avoid maximum yield of ammonia for the following reaction: $\rm{N_{2(g)}+3H_{2(g)}\rightleftharpoons 2NH_{3(g)}}$
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Chemistry
Chemical Equilibrium
What Is correct relation between $\rm{K_{w}}$, $\rm{K_{a}}$ and $\rm{K_{b}}$?
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Chemistry
Chemical Equilibrium
A solution has pH of 10. What is the value of $\rm{[OH^{-}]}$?
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Chemistry
Chemical Equilibrium
If the value of Kc is larger than the ratio $\rm{\frac{[Products]}{[Reactants]}}$, then the reaction
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Chemistry
Chemical Equilibrium
Haber Process is used to produce ammonia commercially according to the following Equilibrium: $\rm{N_{2(g)}+3H_{2(g)}\rightleftharpoons 2NH_{3(g)}+Energy}$Which of the following conditions will produce the highest yield of ammonia?
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Chemistry
Chemical Equilibrium
Buffer solution is a solution which resists change in?
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Chemistry
Chemical Equilibrium
Buffer solution of every liquid is
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Chemistry
Chemical Equilibrium
Buffer capacity depends upon
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Chemistry
Chemical Equilibrium
Le Chatelier's principle explains effect of all of the following except
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Chemistry
Chemical Equilibrium
Equilibrium constant has no units if?
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Chemistry
Chemical Equilibrium
$N_{2} + 3H_{2} \rightleftharpoons 2NH_{3}$ For the above reaction the relationship between $K_{c}$ and $K_{c}$ will be:
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Chemistry
Chemical Equilibrium
$H_{2} + I_{2} \rightleftharpoons 2HI$ In the above equilibrium system, if the concentration of reactants at 25°C is increases, the value of $K_{c}$ will:
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Chemistry
Chemical Equilibrium
In a chemical reaction equilibrium is said to have been established when:
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Chemistry
Chemical Equilibrium
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