Mathematics Subject specialist Lecturer BPS-17
Mathematics Lecturer BPS-17 SPSC Paper
In which of the following reactions new carbon-carbon bond is not formed:
A. Wurtz reaction
B. Cannizzaro reaction
C. Aldol condensation
D. Friedel-Crafts reaction
Which of following is used to calibrate the absorbance scale In UV-Visible Instrument?
A. KMnO4
B. HCL
C. K2Cr207
D. KCL
The significant figure of the measurement shows the
A. precision of the measurement
B. Tell us about the systematic error
C. Precision and accuracy of measurement
D. None of these