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1. What is meant by the term activation energy?

Question 1 of 10

2. How many electrons in the outer shell of group 2 elements?

Question 2 of 10

3. What do you call a rock which metal can be extracted from?

Question 3 of 10

4. In what type of reaction is an atom or group of atoms added to a molecule without taking anything away?

Question 4 of 10

5. What is the formula for ammonium chloride?

Question 5 of 10

6. How many neutrons in a typical atom of fluorine?

Question 6 of 10

7. What does the following diagram represent?

Question 7 of 10

8. When carbon burns in air, is the oxide acidic or basic?

Question 8 of 10

9. What will happen to the equilibrium position when we add a catalyst? Give a reason for your prediction. A (g) + B (g) ⇋ C (g) (-∆H)

Question 9 of 10

10. What is the formula for lithium nitride?

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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