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Using Chemistry. Q1. Name the process where new chemical products form from chemical reactants. A1. Reaction. Q2. Give another word for burning something in air. A2. Combustion . Q3. What do we call a rapid expansion of hot gases as a chemical reaction takes place. A3. Explosion .
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Using Chemistry KS3 Unit 9h – Using Chemistry
Q1. Name the process where new chemical products form from chemical reactants. KS3 Unit 9h – Using Chemistry
A1. Reaction KS3 Unit 9h – Using Chemistry
Q2. Give another word for burning something in air. KS3 Unit 9h – Using Chemistry
A2. Combustion KS3 Unit 9h – Using Chemistry
Q3. What do we call a rapid expansion of hot gases as a chemical reaction takes place. KS3 Unit 9h – Using Chemistry
A3. Explosion KS3 Unit 9h – Using Chemistry
Q4. What do we call a chemical reaction with oxygen. KS3 Unit 9h – Using Chemistry
A4. Oxidation KS3 Unit 9h – Using Chemistry
Q5. What do we call the process where we produce palatable food by application of heat. KS3 Unit 9h – Using Chemistry
A5. Cooking KS3 Unit 9h – Using Chemistry
Q6. What do you call the unwanted reaction between a metal and the atmosphere or water. KS3 Unit 9h – Using Chemistry
A6. Corrosion KS3 Unit 9h – Using Chemistry
Q7. What do we call a very long molecule formed from a string of identical chemical building blocks? Often a type of plastic. KS3 Unit 9h – Using Chemistry
A7. Polymer KS3 Unit 9h – Using Chemistry
Q8. What is a chemical building block used to form plastics called? KS3 Unit 9h – Using Chemistry
A8. A monomer KS3 Unit 9h – Using Chemistry
Q9. Name the process of breaking long chain hydrocarbon molecules into more useful short chain molecules. KS3 Unit 9h – Using Chemistry
A9. Cracking KS3 Unit 9h – Using Chemistry
Q10. What is the general name for a polymer like polythene, polypropylene, nylon and polystyrene. KS3 Unit 9h – Using Chemistry
A10. Plastic KS3 Unit 9h – Using Chemistry
Q11. Name a fossil fuel raw material used to make most plastics. KS3 Unit 9h – Using Chemistry
A11. Oil KS3 Unit 9h – Using Chemistry
Q12. What is a portion of crude oil with a particular boiling point called? KS3 Unit 9h – Using Chemistry
A12. A fraction KS3 Unit 9h – Using Chemistry
Q13. What is the technique used to separate liquids with different boiling points called? KS3 Unit 9h – Using Chemistry
A13. Distillation KS3 Unit 9h – Using Chemistry
Q14. Name the fossil fuel used in jet aircraft, also called kerosene. KS3 Unit 9h – Using Chemistry
A14. Paraffin KS3 Unit 9h – Using Chemistry
Q15. What do we call a substance that increases the rate of a chemical reaction but that is not used up itself. KS3 Unit 9h – Using Chemistry
A15. A catalyst KS3 Unit 9h – Using Chemistry
Q16. What do we call an atom with an excess positive or negative electric charge. KS3 Unit 9h – Using Chemistry
A16. An ion KS3 Unit 9h – Using Chemistry
Q17. What do we call a negative ion that travels towards the positive anode? KS3 Unit 9h – Using Chemistry
A17. An anion KS3 Unit 9h – Using Chemistry
Q18. What do we call a positive ion that travels towards the negative cathode. KS3 Unit 9h – Using Chemistry
A18. A cation KS3 Unit 9h – Using Chemistry
Q19. What do we call a tiny particle, much lighter than an atom, that carries a negative electric charge? KS3 Unit 9h – Using Chemistry
A19. An electron KS3 Unit 9h – Using Chemistry
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