The church at Lydda and Joppa were established by scattered Christians who settled there after they flee from the persecution […]
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Saul (Paul) got letters from high priests to Synagogue at Damascus to bring bound to Jerusalem those who professed the […]
CONTENT The Ascension Acts 1:6-11 The Pentecost Acts 2:1-41 The mission of the Church Act 8 THE ASCENSION ACTS 1;6-11 […]
CONTENT Calculation Based on Percentage Purity and Impurity of substances. Percentage/amount of water of crystallization, Molar mass of the acidic […]
Test for Anions, Identification of gases e.g CO2, SO2 and O2. Characteristics test for anions e.g SO42-,SO32-,CO32-,NO-3, Cl–, etc. The […]
Introduction to Qualitative Analysis Test for carbons using H2S, NaOH and NH4OH, Confirmatory Test for the cat ions. Introduction to […]
CONTENT Aluminum Occurrence Aluminum can be obtained as Kaolin, Al2O3.2SiO3.2H2O, cryolite. Na3AlF6, Corundum Al2O3 and mica K2O.Al2O3.6SiO2. NB: the main […]
Metals are found mixed with earthy materials as ores. Ores are often concentrated and converted to oxides before extraction Concentration […]
CONTENT Properties, Factors affecting the formation of metals Inter molecular bonding Vander-walls forces and hydrogen bonds Composition and Uses. Metallic […]
CONTENT Covalent Molecules e.g methane, diamond, crystalline solid – their network structure e.g diamond. Simple Molecules and their shapes The […]