Abuja — The West African Examinations Council (WAEC) has postponed the full implementation of the computer-based test (CBT) format for the 2026 Senior School Certificate Examination (SSCE) until 2027, according to a statement released at the council’s 63rd annual meeting in Umuahia, Abia State. Hajia Binta Abdulkadir, Chairman of WAEC’s Nigeria National Committee, explained that the 2026 May/June edition will now serve as a pilot phase — allowing candidates to sit for either the traditional paper-and-pen test or the digital format. She emphasized that no student will be disadvantaged by the transition. The delay follows widespread concern over the readiness of many schools, particularly in rural areas, for full digital exams. Many institutions lack adequate computers, reliable electricity, internet connectivity, and trained personnel—factors WAEC and the Federal Ministry of Education say are essential for a successful rollout. To facilitate the switch, WAEC co...
Question C and D are samples of two different simple salts. Carry out the following exercises on them. Record your observations and identify any gases evolved. State the conclusion you draw from the result of each test. A) Heat about one half of C in dry test tube until no further change is observed. Allow to cool B) (I) to the cooled residue from (a) above, add about 5 cm 3 of dilute hydrochloric acid and warm. (II) to about 2cm 3 of the clear solution from (b)(I) above, add aqueous ammonia in drops until it is excess. C) Put all D in a boiling tube and add about 10 cm 3 of distilled water. Shake thoroughly and divide into two portions. D) (I) to the first portion from (C) above, add about 2 cm 3 of barium chloride solution, followed by dilute hydrochloric acid in excess. Warm the mixture. (II) to the second portion from ( C) above, add 2 to 3 drops of acidifie...