Package deal for Edexcel test ,100% correct

Edexcel IGCSE Physics Unit 8 – Astrophysics, question and answer latest updated universe Large collection of billions of galaxies. galaxy A large collection of stars. Milky Way The galaxy in which we live. The solar system Everything that orbits the sun, including planets...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ...

EDEXCEL CHEMISTRY PAPER 2, question and answer, verified Proton c/m? +1, 1 Neutron c/m? 0, 1 Electron c/m? -1, 1/1500 Mass number? Num of protons + neutrons Atomic number? Num protons Isotope? Different atom of the same element, same num protons. Diff numbe...

IGCSE Edexcel physics electricity question and answer | graded A+ current amps (A) Charge Coulombs (C) Energy Joules (J) Resistance Ohm (Ω) time second (s) Voltage Volts (v) Power watt (W) Series circuit rules current Current is the same eve...

Edexcel A Level Microeconomics 2022|2023 latest updated Factors influencing demand for labour Demand for final product - if rise in output > increase in productivity Relative productivity of labour to capital - substitution effect £3,000 subsidy for hiring unemployed 18-24 y.o. = half UK'...

EDEXCEL IGCSE Business Studies, latest updated Above-the-line promotion Placing adverts using the media. Acid test ratio Similar to the current ratio but excludes stocks from current assets. Sometimes called the quick ratio. Advertising Communication between a business and its cust...

Edexcel IGCSE Physics question and answer the relationship between average speed, distance and time average speed = distance/time the relationships between acceleration, mass and velocity force = mass x acceleration ; acceleration = change in velocity/time taken the relationship bet...

Edexcel iGCSE Geography, question and answer, graded A+ Where are berms found? Berms mark the position of mean high-tide marks Conditions for marram grass? Resistant to salinity, wind, lack of moisture Why are mangroves under threat? Cleared because of disease, Aquaculture, Defores...

High Giant ionic structures melting point/ boiling point Closely packed lattice arranged by the attraction between oppositely charged ions Giant ionic structures structure The electrostatic attraction between oppositely charged ions is very strong so requires a lot of energy to overc...

Edexcel IGCSE Physics, question and answer average speed = distance / time v = d / t Standard Unit for mass (m) kilogram (kg) Standard Unit for distance (d) or displacement (s) metre (m) Standard Unit for speed (s) or velocity (v) metre/second (m/s) Standard Unit...

Biology Paper 2 IGCSE edexcel, 100% accurate PH and enzyme function If too high or too low it can cause the enzymes to denature but often the enzymes optimum PH is 7 (not in the stomach!!) Calorimetry. What is it and how can you test for it? Calorimetry is the process of burning food to se...