CHM191
Question: Which of the following is not a laboratory operation?
Answer: eating
Question: Which of the following is not a reason why some substances whose purity cannot be exactly known
Answer: because they are non-volatile.
Question: Oxidation involves ….?
Answer: electron loss
Question: Which of the following is not correct?
Answer: eating or drinking is allowed the laboratory
Question: Which of the following apparatus is not used in volumetric analysis?
Answer: weighing balance
Question: Which of the following is not an indicator in titrimetric method of analysis?
Answer: methyl yellow
Question: What is the pH range of Phenolphthalein?
Answer: 8.3 – 10.00
Question: Which instrument is most appropriate for measuring 205 mL of HCI acid
Answer: measuring cylinder
Question: Which of the following is considered while working in the laboratory?
Answer: precaution
Question: Mass in chemistry is measured in?
Answer: gram
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