Bundle For Edexcel GCSE Chemistry Test Questions With All Correct Answers

Edexcel Chemistry Paper 1 Exam Question With Complete Solutions hydrogen ions - ANSWER What are acids in solution a source of? hydroxide - ANSWER What are alkalis in solution a source of? 7 - ANSWER What is the pH of a neutral solution? low (less than 7) - ANSWER ...

Edexcel Chemistry 2023 Exam Questions And Complete Solutions What are the three ideas in John Dalton's theory about the atom? - ANSWER - Atoms cannot be created, divided or destroyed. - Atoms of the same element are exactly the same and atoms of different elements are different. - ...

GCSE Edexcel Chemistry 2023 Exam Questions And Correct Answers Acid - ANSWER a substance with a PH of less than 7 a substance that forms H+ ions in water Acid Rain - ANSWER acidic rainwater that forms when sulphur dioxide dissolves in rain droplets Activation Energy - ANSWER ...

EDEXCEL IGCSE Chemistry Questions And Answers The acid used for sulfate ion test - ANSWER hydrochloric acid The solution used for sulfate ion test (there can be 2) - ANSWER barium chloride The colour of barium sulfate precipitate - ANSWER white The acid used fo...

Edexcel GCSE Chemistry Test Questions With All Correct Answers Uses for bitumen? - ANSWER Making roads Test fo H2 (hydrogen gas) - ANSWER Burns with squeaky pop Test for O2 (oxygen gas) - ANSWER Relights glowing splint Test for CO2 (carbon dioxide gas) - ANSWER Turns ...

New Edexcel Chemistry AS 2023 Exam Questions And Correct Answers Atoms - ANSWER Made up of 3 subatomic particles - electrons, neutrons and protons Electrons - ANSWER - Subatomic particle - Charge of -1 - Arranged in orbitals - Relative mass of 0.0005 - negligible Nucleus - ANS...

Chemistry A Level Edexcel 2023 Exam Questions And Complete Solutions Mass spectrometry - ANSWER using lasers to ionise atoms into cations, then measure the abundance and mass using their mass-to-charge ratios Mass to charge ratio - ANSWER the mass of an ion divided by its charge (usual...