Chemistry Past Questions

Exam Type:

Exam year:

Question Type:

Topics:

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

NECO offline past questions - All questions, answers & explanations in one app 25712

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

101

The noble gas, argon,is used for

A. electric arc welding
B. welding brass
C. underwater welding
D. steel welding

View Answer & Discuss (9) JAMB 2000

102

A side effect of soft water is that

A. it gives offensive taste
B. excess calcium is precipitated
C. it attcaks lead contained in pipes
D. it encourages the growth of bacteria

View Answer & Discuss (15) JAMB 2000

103

Water molecule can be ligands especially when they are bonded to

A. alkaline earth metals
B. alkali metals
C. transition metals
D. group VII elements

View Answer & Discuss (10) JAMB 2000

104

The air pollutant unknown in nature is

A. NO
B. CO
C. HCHO
D. DDT

View Answer & Discuss (27) JAMB 2000

105

1.0 dm3 of distilled water was used to wash 2.0g of a precipitate of AgCl. If the solubility product of AgCl is 2.0 * 10-10moldm-6, what quantity of silver was lost in the process?

A. 2.029 * 10^-3mol dm^-3
B. 1.414 * 10^-3mol dm^-3
C. 2.029 * 10^-5mol dm^-3
D. 1.414 * 10^-5mol dm^-3

View Answer & Discuss (11) JAMB 2000

Start a Free Practice Test

Chemistry Past Questions

Subjects

Sign In