Instrumental Methods (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are three key advantages of instrumental methods in chemistry?
What are three key advantages of instrumental methods in chemistry?
Precision, accuracy, and efficiency
What does flame emission spectroscopy use to identify atoms or ions?
What does flame emission spectroscopy use to identify atoms or ions?
Visible light
What technique involves analysing the radiation a sample emits or absorbs?
What technique involves analysing the radiation a sample emits or absorbs?
Spectroscopy
What does infrared (IR) spectroscopy provide information about?
What does infrared (IR) spectroscopy provide information about?
Molecular structure and composition
What does gravimetry involve measuring?
What does gravimetry involve measuring?
A sample's mass
What processes data collected by chemical instruments?
What processes data collected by chemical instruments?
A computer
How small a mass change can instrumental methods detect?
How small a mass change can instrumental methods detect?
Down to micrograms
How short a time interval can instrumental methods measure?
How short a time interval can instrumental methods measure?
Down to microseconds
Why can instrumental methods work with extremely small sample sizes?
Why can instrumental methods work with extremely small sample sizes?
To study rare or expensive materials
How many data points can a spectrometer collect in just a few seconds?
How many data points can a spectrometer collect in just a few seconds?
Thousands
How do instrumental methods reduce labour requirements?
How do instrumental methods reduce labour requirements?
One machine can do work of many scientists
What benefit comes from the vast amount of data from instrumental methods?
What benefit comes from the vast amount of data from instrumental methods?
Uncover subtle details and draw accurate conclusions