Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. FUTO
  4. /
  5. Chemistry
  6. /
  7. 2015/2016 Day 4
  8. /
  9. Q5
Question 5

35cm3 of hydrogen was sparked with 12cm3 of oxygen at 1100°C and 760mmHg to produce steam. What percentage of the total volume of gas. left after the reaction is hydrogen?

  • A.11%
  • B.31%
  • C.35%
  • D.69%
  • E.80%
Objective

Question details

Exam body
FUTO
Subject
Chemistry
Year
2015/2016 Day 4
Question no.
#5
Type
Objective
Previous · Q4The solubility of Na 3 AsO 4 in ethanol is? (As = 75, Na = 23, O = 16, H =1) Next · Q6 In the extraction of iron in the blast furnace, limestone is used to

More from this paper

  • Q1How many molecules are there in 14g of nitrogen gas at S.T.P. (N = 14, Avogadro…
  • Q2120cm 3 of hydrogen were sparked with 60cm 3 of oxygen at 110°C. What was the…
  • Q3In the purification of town water supply, alum is used principally to .....
  • Q710.0dm 3 of air confirming H 2 S as an impurity was passed through a soultion of…
  • Q8The Avogadro number of 24g of magnesium is the same as that of
  • Q9Helium atoms are chemically unreactive because
See all Chemistry 2015/2016 Day 4 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