Author: ragena

Classification of organism – S1 biology lesson 4

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S1 biology lesson 4 Classification of organism and importance of classification Read More

Makerere song by Dr Bbosa Science

05/08/2020 0

S1 biology lesson 3 Defines a cell, gives drawings of plant and animals, gives differences between plant and animal cells. Appeals to University students to ... Read More

Dissection of cockroach 2 by Dr. Bbosa Science

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ecology, adaptation of parts to ecology and internal systems (digestion, excretion and reproduction) Read More

what is biology?

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characteristics of living things, s1 biology, Bbosa Science Read More

Period 2 elements

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chemistry of period 2 elements and diagonal relationships for Advanced Level students Read More

Period 3 elements

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chemistry of period 3 for Advanced level students Read More

Transition elements Iron By Dr Bbosa Science

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properties of iron such reaction with air, water, chlorine acid, qualitative analysis, the stability of oxidation states 2 and 3 Read More

Vapor pressure and Raoult’s Law By Dr Bbosa Science

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Suitable for Advance level students tacking physical chemistry: the video describe how to use Raoult's laws to calculate the composition and vapour pressures of components ... Read More

Cobalt and nickel By Dr Bbosa Science

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describes physical and chemical properties of cobalt and nickel Read More

Bonding By Dr Bbosa Science

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Describes ionic, covalent, dative bonds, bond polarity and polarization of bonds suitable students taking chemistry at advanced level of education Read More

Group 4 lesson 2 of 2 By Br Bbosa Science

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A level chemistry, describes physical and chemical properties of group 4 elements Read More

Deviations from Raoults law

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A-level Physical chemistry Uganda : describes deviations from Raoult's law with worked examples Read More

Periodic Table by Dr Bbosa Science

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Describes variation of electronegativity, electropositivity, atomic radii, ionization energies, electron affinities and melting points in the periodic table Read More

Transition elements Maganese By Dr Bbosa Science

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physical and chemical properties of manganese, reaction with water, air, oxidation properties of manganese VII, confirmatory tests of manganese II ions Read More

Phase Equilibria

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Phases and factors affecting the phase of a substance, physical chemistry A-level. Read More

Group 4 lesson 1 of 2 By Br Bbosa Science

05/08/2020 0

Describes the physical and chemical properties of group 4 elements Read More

Buffers by Dr Bbosa Science

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physical chemistry buffers definition, worked examples for higher education Read More

Hydrolysis of salts By Dr Bbosa Science

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physical chemistry; hydrolysis of salts for A-level students Read More

Equilibrium constants Ka, Kb, Kw By Dr Bbosa Science

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physical chemistry calculation involving equilibrium constant, Ka, Kb, KW Read More

Acid base indicators and pH titration curves

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Physical chemistry for A level students especially for those for UACE exams in Uganda Read More

Carboxylic acids 1 By Dr Bbosa Science

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properties, preparation and reactions of carboxylic acid for A-level student Read More

Solubility products, Ksp

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Calculating solubility product, common ion effect Read More

Alkanes part 1 of 2 by Dr. Bbosa Science

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General formula, nomenclature, sources, reactions, methods of preparation Read More

AMINES BY DR BBOSA SCIENCE

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classification, methods of preparation, chemical properties Read More

Colligative properties Freezing point depression by Dr Bbosa Science

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colligative properties giving example. discusses freezing point depression with worked examples, limitations of colligative properties Read More

Carbonyl Compounds by Dr Bbosa Science

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Nomenclature, preparation of carbonyl compound, reaction, ketones and aldehydes Read More

Electrolysis (O and A level) by Dr Bbosa Science

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mechanism of electrolysis, factors affecting selective discharge, application of electrolysis, extraction of sodium, preparation of sodium hydroxide, Faraday's laws of electrolysis Read More

Electro-conductivity A level By Dr Bbosa Science

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the resistance of the electrolyte, the resistivity of electrolyte, the conductivity of electrolytes, molar conductivity, molar conductivity at infinite dilution, conductometric curves Read More

Chemical kinetics lesson 1 of 2 by Dr Bbosa Science

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Rate, rate law, rate equation, the rate constant, the order of reaction with worked examples Read More

Transition Elements lession 2 of 4 by Dr Bbosa Science

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Describes the chemistry of transition elements; vanadium, chromium and cobalt Read More

PLE science 2017 section B revision

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Revision video for PLE integrated Science 2017 Read More

PLE 2012 integrated Science

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Revision of primary leaving integrated science 2012 Read More

PLE science 2016 section A

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Revision of PLE integrated Science 2016 section A Read More

SST 2014 1 last audit

05/08/2020 0

A well-illustrated revision video for PLE SST 2014. Read More

PLE MATHS Section B 2013 By Dr Betty Bbosa

04/16/2020 0

Exhaustive revision of Primary Leaving Examination Mathematics By Dr. Betty Science the best mathematics teacher Read More

Thermodynamics part 1 of 2 By Dr Bbosa Science

04/16/2020 0

Defines energy terms, combustion, electron affinity, neutralization, formation, lattice energy Hess law, enthalpy diagrams, and energy diagram and their calculations. Read More