Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?
(A) buffer solution
(B) normal solution
(C) standard solution
(D) neutral solution
Which one of the following is a buffer solution ?
(A) brine
(B) blood
(C) glue
(D) solution of CuSO4
Equilibrium state is achieved quickly by the addition of ________________?
(A) reactants
(B) acid
(C) base
(D) catalyst
By decreasing the pressure the reaction will go to that direction where_________________?
(A) volume is decreased
(B) volume increased
(C) heat absorbed
(D) no. of moles of specie decreased
Addition of CH3COOH and CH3COONa gives in water_______________?
(A) Standard solution
(B) buffer solution
(C) acidic buffer solution
(D) both B & C
When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
(A) common ion effect
(B) solubility product
(C) dissociation constant
(D) dissociation constant for an acid
Any substance which accepts H+ is base favours the concept___________________?
(A) Lowrys
(B) Lewis
(C) Arrhenius
(D) None of these
Ka<10-3 means______________?
(A) Very strong base
(B) Very weak acid
(C) Very strong acid
(D) Very strong salt
Idea of pH and pOH was put forward by________________?
(A) Gibbs
(B) Einstein
(C) Sorenson
(D) Chadwick