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1. When lots of these molecules have their double bond broken and they all join together into a long chain, what is the new molecule called?

Question 1 of 10

2. State the names and molecular formulae of the first 3 alkenes

Question 2 of 10

3. How many protons in a fluorine atom?

Question 3 of 10

4. Why can nitrogen react with oxygen in a car engine?

Question 4 of 10

5. What is an atomic number?

Question 5 of 10

6.

In the production of ethanol by fermentation, why is the process done in the absence of air?

Question 6 of 10

7. In the electrolysis of molten aluminium oxide, write the name and formula of the particles which move to the negative electrode

Question 7 of 10

8. State the most reactive element in group 7

Question 8 of 10

9. What is the name of the process in which crude oil is separated into its various components?

Question 9 of 10

10. Write the word equation to represent the reaction between hydrochloric acid and calcium

Question 10 of 10


 

2022-03-09T21:22:06+00:00Categories: Uncategorized|Tags: |
tutorMyself Chemistry is a non-commercial tool to support learning for Edexcel iGCSE Chemistry at one of Britain's top public schools.
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Section 1: Principles of chemistry

      a) States of matter

      b) Atoms

      c) Atomic structure

     d) Relative formula masses and molar volumes of gases

     e) Chemical formulae and chemical equations

     f) Ionic compounds

     g) Covalent substances

     h) Metallic crystals

     i) Electrolysis

 Section 2: Chemistry of the elements

     a) The Periodic Table

     b) Group 1 elements: lithium, sodium and potassium

     c) Group 7 elements: chlorine, bromine and iodine

     d) Oxygen and oxides

     e) Hydrogen and water

     f) Reactivity series

     g) Tests for ions and gases

Section 3: Organic chemistry

     a) Introduction

     b) Alkanes

     c) Alkenes

     d) Ethanol

Section 4: Physical chemistry

     a) Acids, alkalis and salts

     b) Energetics

     c) Rates of reaction

     d) Equilibria

Section 5: Chemistry in industry

     a) Extraction and uses of metals

     b) Crude oil

     c) Synthetic polymers

     d) The industrial manufacture of chemicals

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