$6.$ The field of mass measurement which is conveniently structured according to the degree of numerical precision involved $(1)$

$1.$ Sampling

$2.$ Crushing

$3.$ Weighing

$4.$ Analyzing

$5.$Grinding

$7.$ is commonly tested by loading it with calibrated mass standards and then ascertaining whether the displayed weight values are accurate, meaning that

$3$

each result corresponds to the value of the test standard within some predetermined tolerance limits $(1)$

$1.$ An analytical instrument

$2.$ A sampling instrument

$3.$ Ultrasonic Equipment

$4.$ Ultrasound Instrumentation

$5.$ A weighing instrument

$8.$ The overall objectives of an analytical process must be set. Which of the following is not part of the sampling step that must be planned carefully? $(1)$

$1.$ How many specimens $($or sample increments$)$ should be taken?

$2.$ How should they be selected?

$3.$ How the weighing process can be developed and improved with time.

$4.$ How big should they be $($in cases of bulk samples$)?$

$5.$ How to set criteria on the circumstances in which a sample can be rejected.

$9.$ An alternative approach to separating volatile compounds from liquid and solid samples is called $........(1)$

$1.$ Filtration

$2.$ Distillation

$3.$ Centrifugation

$4.$ Grinding

$5.$ Crushing

$10.$ The very first stage of the analytical process which must be planned and managed properly. $(1)$

$1.$ The analysis stage

$2.$ The weighing stage

$3.$ The quality assurance stage

$4.$ The sample splitting stage

$5.$ The sampling stage