CHM202
Question: Which aspect of chemistry deals with qualitative and quantitative analysis?
Answer: petroleum chemistry
Question: Which of the following is a type of error?
Answer: random error
Question: Calculate the relative error when 63.06 g of caffein is analysed as?
Answer: 0.01269
Question: Which of the folowing ways cannot be used to correct sysyematic error?
Answer: addition of masking agent
Question: Which of the following can reduce random errors?
Answer: replicated experiment
Question: Accidental errors are also known as?
Answer: Random error
Question: what type of error is encountered when a faulty equipment are used for analysis?
Answer: instrumental error
Question: Which of the following affects the accuracy and precicion of a measured quantity?
Answer: error
Question: Which type of error can be determined and corrected?
Answer: systematic error
Question: Error due to coprecitation with impurities is called?
Answer: methodic error
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