by Sunday | Sep 25 | NABTEB QUESTIONS
Chemical Properties of Ethane. 2C2H6 + 7O2 → + 6H2O + 4CO2 C2H6 + 6Cl2 (light) → C2Cl6 + 6HCl
by Sunday | Sep 25 | NABTEB QUESTIONS
The law of constant composition states that all pure samples of a particular chemical compound contain the same elements combined in the same proportion by mass.
by Sunday | Sep 25 | NABTEB QUESTIONS
Eletrovalency is the process of forming an electrovalent bond/ions by transfer of electrons from Substance (usually a metal) to another substance (usually a non- metal).
by Sunday | Sep 25 | NABTEB QUESTIONS
Differences between a physical and chemical change Physical change Chemical change No new substances are formed Entirely new substances are formed It is easily reversible Not easily reversible No change in mass of substance involved . Involved changes in mass of...
by Sunday | Sep 25 | NABTEB QUESTIONS
i. Concentrated H2SO4 ii. Chlorine gas. Solution i. 2NH3 + H2SO4 → (NH4)2SO4 ii. 2NH3 + 3Cl2 → 6HCl + N2 OR 8NH3 + 3Cl2 → 6NH4Cl +N2
by Sunday | Sep 24 | NABTEB QUESTIONS
Solution: i. Esterification is a chemical reaction between an organic/carboxylic acid and alcohol/alkanol to form ester and water only. OR Organic acid + Alcohol → ester + water. ii. Saponification is a chemical reaction ( hydrolysis) of fat or oil with caustic alkali...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.