Chemistry-
General
Easy
Question
A) At 
, the pH of 
M HCl is 8.
R) pH of acidic solution is always below 7 at
- If both (A) and (R) are correct and (R) is the correct explanation for (A)
- If both (A) and (R) are correct but (R) is not the correct explanation for (A)
- If (A) is correct, but (R) is incorrect.
- If both (A) and (R) are incorrect.
The correct answer is: If both (A) and (R) are incorrect.
Related Questions to study
Chemistry-
A) When small amount of an acid or base is added to pure water its pH undergoes a change
R) Addition of an acid or a base increases the degree of ionization of water
A) When small amount of an acid or base is added to pure water its pH undergoes a change
R) Addition of an acid or a base increases the degree of ionization of water
Chemistry-General
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The weak acid, HA has a 
of 
. If 
of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closet to:
The weak acid, HA has a of . If of this acid is dissolved in one litre of water, the percentage of acid dissociated at equilibrium is closet to:
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The ionization constant of ammonium hydroxide is 
at 
. Hydrolysis constant of ammonium chloride is:
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Chemistry-General
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The molar solubility (in mol 
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is The corresponding solubility product 
is given by the relation
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Chemistry-General
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Acetyl salicylic acid 
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Chemistry-General
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Assuming compel. ionization witch will have maximum pH?
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Maths-
The solution set of 
in the interval 
is
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Maths-General
Maths-
is
is
Maths-General
Maths-
then the general value of 
is
then the general value of is
Maths-General
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The equation K 
possesses a solution if
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Mean life of a radioactive sample is 100 s. Then its half-life (in minutes) is
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The half-life period of a radioactive element is same as the mean lifetime of another radioactive element Y. Initially they have the same number of atoms. Then
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A cylinder of radius 
and thermal conductivity 
is surrounded by a cylindrical shell of linear radius and outer radius
, whose thermal conductivity is 
There is no loss of heat across cylindrical surfaces, when the ends of the combined system are maintained at temperatures 
. The effective thermal conductivity of the system, in the steady state is
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The efficiency of a Carnot engine is 50% and temperature of sink is 500 K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of sink will be
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In a transistor circuit shown here the base current is 35 
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In a transistor circuit shown here the base current is 35 A. The value of the resistor Rb is
Physics-General
