Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNIPORT
  4. /
  5. Chemistry
  6. /
  7. 2010/2011 Model 1
  8. /
  9. Q12
Question 12

When iron is exposed to moisture and it rusts, the value of ΔG for the reaction is

  • A.neutral
  • B.zero
  • C.positive
  • D.negative
Objective

Question details

Exam body
UNIPORT
Subject
Chemistry
Year
2010/2011 Model 1
Question no.
#12
Type
Objective
Previous · Q11Phenolphthalein in acidic solution is Next · Q13 A substance that is used as a ripening agent for fruits is

More from this paper

  • Q8Aluminium hydroxide is used in the dying industry as a
  • Q9an isomer of C 5 H 12 is
  • Q10Vulcanization involves the removal of
  • Q14The shape of the hydrocarbon compound CH 4 is
  • Q15Sugar is separated from its impurities by
  • Q16The component of an atom that contributes least to the mass is the
See all Chemistry 2010/2011 Model 1 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy