Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Chemistry 1978 JAMB Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
36
If hydrogen sulphide gas is passed into a solution of a pure iron chloride, a yellow deposit appears. If the deposit is filtered, a pale green solution is left behind. The pale green solution is
  • A. dilute sulphuric acid
  • B. dilute hydrochloric acid
  • C. unreacted hydrogen sulphide in water
  • D. iron (III) chloride
  • E. Iron (II) chloride
View Answer & Discuss (29) JAMB 1978
37
Which of the following changes is physical?
  • A. Adding iron filing to aerated water
  • B. Adding sodium metal to water
  • C. Cooling a solution of Iron (II) sulphate to obtain the hydrated salt
  • D. Cooling water to obtain ice
  • E. Burning the domestic gas (Utilgas) for cooking
View Answer & Discuss (26) JAMB 1978
38

By means of filtration, one component can be obtained pure from an aqueous mixture of sodium chloride and?

  • A. potassium nitrate
  • B. sand
  • C. lead nitrate
  • D. sugar (glucose)
  • E. starch
View Answer & Discuss (21) JAMB 1978
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
39

In titration involving sodium hydroxide and dilute hydrochloric acid, where would you place the base?

  • A. in the beaker
  • B. in the conical flask
  • C. in a burette
  • D. in the standard flask
  • E. in the measuring cylinder
View Answer & Discuss (24) JAMB 1978
40
A gas jar was inverted over burning yellow phosphorus floating over water in a beaker. After burning, the water level was found to rise in the gas jar. The water level rises because
  • A. pressure inside the gas jar is greater than pressure outside it
  • B. the air in the gas jar had been used up by burning
  • C. oxygen in the gas jar had been used up by burning
  • D. nitrogen in the gas jar had been used up by burning
  • E. the temperature in the jar had risen considerably
View Answer & Discuss (11) JAMB 1978
Start a Free Practice Test
 
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now