analytical chemistry (1) The new quiz for practice The chapter of analytical chemistry Introduction to analytical chemistry harshp2001 published on April 15, 20200 responses 0 « Previous Next » Questions in vertical order 1/10 In instrumental analysis,physical property of a substance is measured by any known...... chemical test Instrument Sample None of these 2/10 ....... is nothing but the Actual difference between the true result and the experimental value in the same units. Sampling Analysis Chemical test Error 3/10 Accuracy is described as the degree of agreement between a measuredValue and .......value Most probable The true The actual All of these 4/10 The precision is used to describe.........of the result while accuracy is used to Express.........of a measurement Reproducibility, correctness correctness,Reproducibility Ability, inability None of these 5/10 Significant figure is a ............which denotes the amount of the quantity in the place in which it stands Picture Analysis Digit None of these 6/10 Standard deviation is oftenly used as a measure of Accuracy Mean Precision None of these 7/10 The difference between the observed and measured value and the true or most probable value is called......... error. Relative Absolute Both (a) and (b) 8/10 In analysis, when information about the presence or absence of one or more components in the sample is to be gained, then it is known as.........analysis. Qualitative Quantitative Organic Inorganic 9/10 The numerical value obtained by dividing the sum of a set of measurements by the number of individual results in the set is known as........... Mean Deviation Standard 10/10 Determinate errors are associated with........failures. Personal Instrumental Both (a) and (b) None of these
