AP-EAPCET SERIES Chemistry
Group 18 Elements
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2018 1
2009 Chapter Questions 2 MCQs
01
PYQ 2009
easy
chemistry ID: ap-eapce
Which one of the following statements is not correct?
1
In the Dewars method for the separation of noble gases, activated coconut charcoal is used.
2
Krypton is used in miners cap lamps.
3
The electron affinity values of noble gases are nearly equal to zero.
4
Xenon gives different colours when mixed with mercury vapours.
02
PYQ 2018
medium
chemistry ID: ap-eapce
reacts with at to form and . When reacts with in diethyl ether. Y is formed. What is Y?
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2
3
4