by Sunday | Aug 25 | Chemistry WAEC
A. plastic sulphur B. amorphous sulphur C. rhombic sulphur D. monoclinic sulphur E. colloidal sulphur Correct Answer: Option C – rhombic sulphur
by Sunday | Aug 25 | Chemistry WAEC
A. Aluminium chloride B. Zinc chloride C. Silver chloride D. Mercury (ll) chloride E. lron (ll) chloride Correct Answer: Option C – Silver chloride
by Sunday | Aug 25 | Chemistry WAEC
A. heptane B. octane C. 2-methylpentane D. 2, 4-dimethylpentane E. 2,2,4-trimethylpentane Correct Answer: Option E – 2,2,4-trimethylpentane
by Sunday | Aug 25 | Chemistry WAEC
A. using Zinc powder instead of Zinc granules B. using dilute instead of concentrated hydrochloric acid C. cooling the container in which the mixture is placed D. using an alloy of zinc instead of pure zinc E. using hydrogen chloride gas instead of hydrochloric acid...
by Sunday | Aug 25 | Chemistry WAEC
A. Pure sodium chloride does not conduct electricity B. Potassium fluoride prevents the sodium produced from attacking the electrodes C. Potassium fluoride increases conductivity D. Potassium fluoride reduces the temperature at which sodium chloride fuses E. the...
by Sunday | Aug 25 | Chemistry WAEC
A. sodium ions B. potassium ions C. lithium ions D. calcium ions E. magnesium ions Correct Answer: Option B – potassium ions