by Sunday | Oct 18 | Chemistry JAMB
A. Carbon (II) oxide B. Carbon (IV) oxide C. Oxygen D. Nitrogen Correct Answer: Option C – Oxygen Explanation 2CO + O2 → 2CO2 50cm³ → 25cm³ 20% X 150 = 30cm³ 30cm³ is the volume of oxygen available for the reactions. But only 25 cm³ is required; therefore O2 is...
by Sunday | Oct 18 | Chemistry JAMB
A. Epsom salt B. Limestone C. Clay D. Urea Correct Answer: Option C – Clay
by Sunday | Oct 18 | Chemistry JAMB
A. small sizes B. large sizes C. different sizes D. the same sizes Correct Answer: Option C – different sizes
by Sunday | Oct 18 | Chemistry JAMB
A. Water to filter off sulphur B. carbon (IV) sulphide to filter off iodine C. ethanoic acid to filter off sulphur D. methanol to filter off iodine Correct Answer: Option B – carbon (IV) sulphide to filter off iodine
by Sunday | Oct 18 | Chemistry JAMB
The electron configuration of 22X²+ ion is? A. 1s2 2s22p6 3s2 3p6 4s2 3d2 B. 1s2 2s22p6 3s2 3p6 4s2 3d1 C. 1s2 2s22p6 3s2 3p6 D. 1s2 2s22p6 3s2 3p6 4s2 Correct Answer: Option D – 1s2 2s22p6 3s2 3p6 4s2 Explanation 22X²+ has 22 electrons but has been ionized to...
by Sunday | Oct 18 | Chemistry JAMB
A. Elements in the same period have the same number of valency electron B. The valence electron of the elements in the same period increase progressively across the period C. Elements in the same group have the same number of electron shells D. The non-metallic...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.