Study Guides
Online one-to-one SPM Chemistry, taught by an experienced teacher.
Explaining Oxidation and Reduction by Electrons
How to define oxidation and reduction in terms of electron transfer for SPM, with OIL RIG, oxidising and reducing agents, and clear worked examples.
2026-09-04Study GuidesHow to Explain Period 3 Across the Periodic Table
An SPM guide to Period 3 trends: valence electrons, atomic size, electronegativity, metal to non-metal, and the basic-to-acidic oxides, with the reasons.
2026-09-04Study GuidesHow to Explain Rusting and How to Prevent It
An SPM-ready explanation of rusting as a redox reaction, the two conditions needed, the equations, and every prevention method, barrier, sacrificial and alloy, with why each works.
2026-09-04Study GuidesHow to Explain Soaps and Detergents
An SPM guide to saponification, the hydrophilic-hydrophobic structure of cleaning molecules, their cleaning action, and why detergents win in hard water.
2026-09-04Study GuidesHow to Explain Strong and Weak Acids
An SPM guide to strong versus weak acids: complete and partial ionisation, why strength is not concentration, and how they differ in pH, conductivity and rate.
2026-09-04Study GuidesExplaining the Contact Process for Sulphuric Acid
A clear SPM walkthrough of the Contact Process: the four stages, the conditions for the reversible step, and why sulphur trioxide is not dissolved directly in water.
2026-09-04Study GuidesExplaining Concentration's Effect on Reaction Rate
A step-by-step SPM Chemistry guide to explaining why higher concentration speeds up a reaction, using collision theory and two worked examples.
2026-09-04Study GuidesExplaining Surface Area's Effect on Reaction Rate
An SPM Chemistry guide to explaining why a powder reacts faster than a lump, using collision theory, a worked marble-chip example and graph tips.
2026-09-04Study GuidesHow to Explain the Effect of Temperature on Rate
The exact collision-theory explanation SPM wants for why higher temperature speeds up reactions, energy, activation energy, effective collisions, plus the phrasing that scores full marks.
2026-09-04Study GuidesExplaining the Electrolysis of Copper(II) Sulfate
An SPM Chemistry guide to the electrolysis of copper(II) sulfate with carbon and with copper electrodes: half-equations, observations and why the electrode matters.
2026-09-04Study GuidesExplaining the Extraction of Iron
An SPM guide to iron extraction in the blast furnace: the raw materials, every reaction in order, the job of limestone, and how to write a redox answer.
2026-09-04Study GuidesExplaining the Haber Process for Ammonia
An SPM guide to the Haber Process: the equation, where nitrogen and hydrogen come from, the conditions and the reasoning behind each one, and what ammonia is used for.
2026-09-04Ready for one-to-one help?
An experienced teacher can help your child put this into practice.
from RM50/hr · One-hour paid trial · Same-day reply