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Question 1
What is the dense central region of an atom called?
Question 2
Which of the following vitamin is synthesized in the skin when it is exposed to sunlight?
Question 3
In which year, did Robert Hooke discovered the biological cell?
Question 4
Which of the following is the symbol for the element Copper?
Question 5
Which element is always present in amalgam alloys?
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Dec 8MPSC
