by Sunday | Apr 17 | Chemistry NECO
A. bauxite B. dolomite C. graphite D. haematite E. magnetite Correct Answer: Option C – graphite
by Sunday | Apr 17 | Chemistry NECO
A. carbon (II) oxide B. carbon (IV) oxide C. hydrogen sulphide D. nitrogen (II) oxide E. oxygen Correct Answer: Option B – carbon (IV) oxide
by Sunday | Apr 17 | Chemistry NECO
A. Argon B. Bromine C. Chlorine D. Fluorine E. Iodine Correct Answer: Option E – Iodine
by Sunday | Apr 17 | Chemistry NECO
A. δ G° = -nFE ° B. δG°-RT ln K C. δ G°= + RT In k D. δG° = δH – T S E. H = TδS Correct Answer: Option B = δG°-RT ln K
by Sunday | Apr 17 | Chemistry NECO
A. co-ordinate bond B. covalent bond C. electromagnetic force D. hydrogen bond E. Van der Waals forces Correct Answer: Option E – Van der Waals forces