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case /data -based (4 Marks)

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MCQ 14 Marks

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$1.$ What does Sudhir’s activity show?
  • A
     Bar $1$ is made of iron
  •  Bar $2$ is made of nickel
  • C
     Bar $3$ is made of silver
  • D
     Bar $4$ is made of cobalt
Answer
Correct option: B.
 Bar $2$ is made of nickel
 Bar $2$ is made of nickel.
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case /data -based (4 Marks) - Science STD 6 Questions - Vidyadip