Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now

Chemistry JAMB Past Questions

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

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent
1071
When copper powder is heated with concentrated sulphuric acid, the gas produced is?
  • A. hydrogen sulphide
  • B. sulphur dioxide
  • C. sulphur trioxide
  • D. hydrogen pentasulphide
  • E. sulphur pentoxide
View Answer & Discuss (7) JAMB 1982
1072
Magnesium ribbon was added to each of the following aqueous solution in turn: H2SO4, AgNO3, HNO3, HCl, NH3, HCl, NH3. In which case does the magnesium become covered with a dark precipitate?
  • A. H2SO4
  • B. AgNO3
  • C. HNO3
  • D. NH3
  • E. HCl
View Answer & Discuss (10) JAMB 1982
1073

How many grams of methylacetylene (propyne) CH\(_3\) — C Ξ CH will completely discharge the colour of 8g of bromine?
(Br = 80, C = 12, H = 1)

  • A. 0.5
  • B. 1.0
  • C. 2.0
  • D. 3.0
  • E. 4.0
View Answer & Discuss (18) JAMB 1982
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
1074

What weight of sodium hydroxide is required to make 500 cm\(^3\) of 0.2 M solution?

(Na = 23, O = 16, H = 1)

  • A. 40 g
  • B. 20 g
  • C. 10 g
  • D. 4 g
  • E. 2 g
View Answer & Discuss (16) JAMB 1982
1075

Which of the following combinations of conditions may increase the rate of a chemical reaction?

  • A. Decrease in temperature, increase in concentration of the reactants
  • B. Increase in temperature, addition of a catalyst, decrease in the surface area of the reactants
  • C. Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactants
  • D. Decrease in temperature concentration and surface area of the reactants
  • E. Additionof a catalyst and in the absence of light
View Answer & Discuss (4) JAMB 1982
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
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent