Jaisul Naik - Tooting Tutors (Page 2)

21 May 2025 1 min read

GCSE Science | Particle Model

Physics changes and chemical changes * physical changes * mass is conserved * the material regains its original properties if the change is reversed Density * density = mass/volume * mass - kg * volume - m3 * density -

21 May 2025 1 min read

A-Level Economics | Quantitative Easing

* quantitative easing is when * the central bank creates money electronically * the central bank uses this to buy back government bonds from commercial banks * banks willing and able to lend more money * money supply

21 May 2025 2 min read

Tradeable Pollution Permits | A-Level Economics Model Paragraph (AQA, Edexcel, OCR)

In order to reduce negative externalities in production, such as when the production of goods and services cause pollution (CO2 emissions), the government can begin by researching the size of the market failure,

20 May 2025 1 min read

GCSE Science | Paper Chromatography

Pure compounds vs mixtures * The compounds in a mixture may separate into different spots * a pure compound will produce a single spot in all solvents. Paper chromatography * used to sepearate mixtures Stationary phase

20 May 2025 1 min read

GCSE Science | Reactivity Down Group 1 and 7

How does reactivity change as you go down group 1? (3 marks) * reactivity increases as you go down group 1 * easier to lose an electron * outer shell further away from the nucleus * more