Treatment of Analytical data

How many types of errors observed in measurements

• 2

• 1

• 3

• 0

Identify determinate errors

• Random errors

• Accidental errors

• Instrumental errors

• None of these

The error arises due to incomplete drying of sample is

• Instrumental error

• Operative error

• Personal error

• Both b and c

The following type error can be avoided by running Blank titration

• Operative errors

• Instrumental errors

• Random errors

• Errors of method

The following type of errors can not determined or avoided

• Instrumental errors

• Random errors

• Operative errors

• Errors of method

Identify number of significant figures in 1.2345gm of sample

• 1

• 3

• 5

• 4

Number of significant figures in 30.24 mL

• 3

• 1

• 2

• 4

Identify number of significant figures in 0.0022

• 1

• 2

• 4

• 5

Number of significant figures in 1.200

• 2

• 3

• 4

• None of these

Identify final result of 7.42+2.4+0.813 =

• 8.63

• 8.633

• 8.6

• None of these