Home About us Services FAQ
Past Papers
Multimedia
Forum
QuizHub
Tutorial
School

Combiend Science 1SC0/2CH November 2021 | Edexcel GCSE Past Papers With Mark Scheme

1. Solutions and Concentration Calculations | Calculation of solution concentration in g/dm³, application of molarity formula, and interpretation of solubility data in different temperatures.

2. Energy Changes in Reactions | Identification of endothermic processes using reaction profiles, explanation of activation energy, and evaluation of heat energy changes in chemical reactions.

3. Electrolysis and Ionic Compounds | Conductivity of ammonium chloride in solid and solution states, explanation of ion mobility, and practical investigation of electrical conductivity.

4. Hydrocarbons and Crude Oil | Separation of diesel oil using fractional distillation, properties of homologous series, balancing equations for pollutant formation, and environmental effects of burning fuels.

5. Periodic Table and Group Trends | Melting point prediction for potassium, relation of electron configuration to periodic position, identification of gases using chemical tests, and ion formation in potassium oxide.

6. Rates of Reaction and Gas Collection | Investigation of reaction rates between calcium carbonate and hydrochloric acid, effect of temperature on reaction speed, tangent method for rate calculation, and control of variables in experiments.
Edexcel GCSE Combiend Science (1SC0) Nov 2021

omer uner

Classification: Edexcel paper 5
Page count: 20
Viewed: 4
Last update: a month ago
Crash report
Create Quiz

Releated questions

Related Past Papers

All Right Reserved.Copyright @ 2023