by Sunday | Oct 11 | Chemistry JAMB
A. lithiumtetrahydridoaluminate (III) B. aluminium tetrahydrido lithium C. tetrahydrido lithium aluminate (III) D. lithium aluminium hydride Correct Answer: Option A – lithiumtetrahydridoaluminate (III)
by Sunday | Oct 11 | Chemistry JAMB
6AgNO4(aq) + PH3(g) + 3H2O(l) → 6Ag(s) + H3PO3(g) + 6HNO3(aq) A. HNO3(aq) B. H2O(l) C. PH3(g) D. AgNO3(aq) Correct Answer: Option C – PH3(g)
by Sunday | Oct 11 | Chemistry JAMB
A. AgCl B. CaSO4 C. Na2CO3 D. PbCl2 Correct Answer: Option B – CaSO4 Explanation All sulfates are soluble except those of barium, strontium and lead. Calcium sulfate, silver sulfate and mercurous sulfate are slightly soluble in water, but calcium sulfate is...
by Sunday | Oct 11 | Chemistry JAMB
A. yellow B. pink C. orange D. red Correct Answer: Option A – yellow Explanation Methyl orange has the property to color alkaline and neutral water yellow.
by Sunday | Oct 11 | Chemistry JAMB
A. 5.0 cm³ B. 2.5 cm³ C. 0.4 cm³ D. 0.1 cm³ Correct Answer: Option B – 5.0 cm³
by Sunday | Oct 11 | Chemistry JAMB
A. Phosphoric acid B. hydrochloric C. trioxonitrate (V) D. tetraoxosulphate (VI) Correct Answer: Option A – Phosphoric acid Explanation: Some acids remove rust (oxides), while others cause rust. Most acids will etch metal whether they cause rust or remove it....