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Question 1 of 5
1. Question
Which of the following is NOT an example of a natural indicator ?
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Question 2 of 5
2. Question
“Consider the reaction A + B2———-> 2C2
150 atoms of A reacts with 100 molecules of B to produce ‘x’ moles of C2. Which of the following represents the limiting reagent of the reaction ?”
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Question 3 of 5
3. Question
An alkyl bromide reacts with an alkaline earth metal to form X. X reacts with water to produce the corresponding hydrocarbon . Which of the following can be concluded from the given information ?
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Question 4 of 5
4. Question
“Mr. Amlan is going to teach students how to derive the empirical formulae of compounds when the weights of combining elements in the compound are known.
Which of the following is the LEAST relevant prerequisite concept before he teaches this lesson?”
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Question 5 of 5
5. Question
“Students were performing titration in a lab. Most of the students got the same value for the end point at the end of titration. Based on this, one student said “” Our observations are accurate””.
Which of the following remedial steps would BEST clarify this misconception ?”
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