What is the purpose of a pH meter in the laboratory?
A. Separate fluids based on density
B. Measure the pH level of a solution
C. Produce an updraft to force airborne contaminants away
D. Count the number of colonies of microorganisms
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What is the use of a conical flask in the laboratory?
A. Purify water using distillation process
B. Mix small vials of liquids in a quickly oscillating circular motion
C. Hold and measure chemical liquid samples
D. Grow and maintain microbiological or cell cultures
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