by Sunday | Oct 16 | Chemistry JAMB
A. Dehydrating B. Becoming inert C. Smelling D. Catching fire Correct Answer: Option D – Catching fire
by Sunday | Oct 16 | Chemistry JAMB
A. Aluminium tetraoxosulphate (VI) B. Copper tetraoxosulphate (VI) C. Sodium tetraoxosulphate (VI) D. Calcium tetraoxosulphate (VI) Correct Answer: Option A – Aluminium tetraoxosulphate (VI)
by Sunday | Oct 16 | Chemistry JAMB
A. Water vapour B. Steam C. Smoke D. Heavy metals Correct Answer: Option C – Smoke
by Sunday | Oct 16 | Chemistry JAMB
A. 15.00cm³ B. 6.30cm³ C. 0.63cm³ D. 0.06cm³ Correct Answer: Option B – 6.30cm³ Explanation % volume of O2 in air = 21% ∴ (21/100) X 30 = 6.3
by Sunday | Oct 16 | Chemistry JAMB
A. Distillation B. Condensation C. Extraction D. Evaporation Correct Answer: Option A – Distillation
by Sunday | Oct 16 | Chemistry JAMB
A. Cooling B. Wetting C. Melting D. Drying Correct Answer: Option D – Drying