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MCQ on Principles of titrimetric analysis: Page-1

How many significant figures are present in the following values?
significant figures

(A) P has 3 and Q has 5

(B) P has 5 and Q has 3

(C) Both P and Q have 3

(D) Both P and Q have 5

In a UV-visible spectrophotometric analysis, the absorbance and concentrations are correlated by using least squares method and regression coefficient is obtained as follows. The data indicates the plot as
regression coefficient

(A) Perfect straight line

(B) Not a perfect straight line

(C) Can’t be predicted

(D) Sigmoid curve

How many significant figures are present in 0.0004

(A) 1

(B) 4

(C) 5

(D) 3

Calculate the degree of hydrolysis of the following salt
salt of pka as 10 at 0.01 M concentration

(A) 1

(B) 0.01

(C) 0.001

(D) 0.0001

Which of the following can minimize the systematic errors
reduce systematic errors

(A) P,S

(B) Q,R

(C) P,Q,S

(D) P,Q,R,S