Welcome to Schoolngr.com

Home   School   News   C B T   Classroom
Wednesday, 06 November 2024

RegisterLogin

Neco Chemistry Past Questions and Answers

Exam year:
Question type:
Topics:

Neco Chemistry Past Questions

Question 116:


If two metallic ions of the same concentration migrate to a graphite cathode, the one that would be preferentially discharged is that with the ____________

A. Greater stability in solution
B. Lower electrical charge
C. Smaller mass
D. Stronger tendency to accept electrons
E. Stronger tendency to lose electrons.


Question 117:


A device used in the laboratory for intermittent production of gases without heating is ____________

A. Aspirator
B. Delivery tube
C. Fume cupboard
D. Kipp’s apparatus
E. Muller counter


Question 118:


What type of bond holds hydrogen fluoride molecules together when forming larger aggregate?

A. Covalent
B. Dative
C. Hydrogen
D. Ionic
E. Metallic


Question 119:


The high boiling point of hydrogen fluoride can be explained in terms of ____________

A. Covalent bonds.
B. Dative bonds.
C. Dipole-dipole bonds
D. Electrovalent (ionic) bonds.
E. Hydrogen bonds.


Question 120:


The action of zinc on an acid produces ____________

A. Chlorine
B. Hydrogen
C. Nitrogen
D. Sulphur
E. Water vapour.






AboutContact usBack to Top
...

Disclaimer
All Views, Names, Acronyms, Trademarks, Expressed on this website are those of their respective owners. Please note that www.schoolngr.com is not affiliated with any of the institutions featured in this website. It is always recommended to visit an institutions or sources official website for more information. In the same vein, all comments placed here do not represent the opinion of schoolngr.com


SCHOOLNGR - © 2020 - 2024 - Tayo Hammed | Terms Of Service | Copyright | Privacy Policy