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Which of the following is the correct order of decreasing activity of the metals Fe,...

Chemistry
JAMB 1994

Which of the following is the correct order of decreasing activity of the metals Fe, Ca, Al and Na?

  • A. Fe> Ca> Al> Na
  • B. Na> Ca> Al> Fe
  • C. Al> Fe> Na> Ca
  • D. Ca> Na> Fe>, Al
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Correct Answer: Option B
Explanation

The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
Join your school's WhatsApp group
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789