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1. If an element conducts electricity, is it typically a metal or a non-metal?

Question 1 of 10

2. What is the molecular formula of methanol?

Question 2 of 10

3. What is the name of this ester?

Question 3 of 10

4. What will happen to the yield of C when the temperature is increased? Give a reason for your prediction. A (g) + B (g) ⇋ C (g) (+∆H)

Question 4 of 10

5. Describe the observations of the reaction of calcium carbonate and dilute hydrochloric acid

Question 5 of 10

6. In the dot and cross diagram of the outer electrons showing the covalent bonding in a molecule of oxygen (O₂), how many electrons should be shown in areas 1, 2 and 3?

Question 6 of 10

7. What does this diagram represent?

Question 7 of 10

8. What is an alkali?

Question 8 of 10

9. Define the term Saturated Solution

Question 9 of 10

10. Write the word equation for the decompostion of hydrogen peroxide, H₂O₂

Question 10 of 10


 

2022-03-09T21:22:06+00:00Categories: Uncategorized|Tags: |

Calculate reacting masses from experimental data – QUIZ

Reacting masses. Year9/10 reactions. Chemical equations given (3 points per correct answer):

Three questions are selected at random for each attempt.

Reacting masses. All reactions. Chemical equations given (3 points per correct answer):

Three questions are selected at random for each attempt.

Reacting masses. Year9/10 reactions. Word equations given (4 points per correct answer):

Three questions are selected at random for each attempt.

Reacting masses. All reactions. Word equations given (4 points per correct answer):

Three questions are selected at random for each attempt.

Reacting masses. Year9/10 reactions. No equations given (5 points per correct answer):

Three questions are selected at random for each attempt.

Reacting masses. All reactions. No equations given (5 points per correct answer):

Three questions are selected at random for each attempt.

2019-11-11T21:55:53+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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