QA Chem Practical Quiz
QA Chem Practical Quiz
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Question 1 of 101. Question
How would you record the following in seconds?
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Question 2 of 102. Question
Add aq NaOH slowly till no further change is observed. ‘No further change’ means to
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Question 3 of 103. Question
When an acid is added to a solid that is shiny and grey, if effervescence is produced, what gas should we test for?
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Question 4 of 104. Question
When an acid to added to a powdery solid and an effervescence is formed. What is the first gas you should test for?
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Question 5 of 105. Question
When an acid is added to an unknown solution and effervescence is seen. What is the first gas you should test for?
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Question 6 of 106. Question
If there is no ppt is formed when aq NaOH is added in excess, what should you do next?
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Question 7 of 107. Question
The following observations are recorded when aq ammonia is added slowly until no further change. What can be deduced?
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Question 8 of 108. Question
Acidified aqueous barium nitrate is used to test for sulfate ions.
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Question 9 of 109. Question
Which of the following has to be included when writing evidence to support your conclusion in QA?
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Question 10 of 1010. Question
What is the correct step to turn on Bunsen Burner?
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