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Q1: Cambridge IGCSE Chemistry - 0620 - Supplement Paper 4 2012 Summer Zone 3
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Questions: 1/8
Topic: CH12 - THE PERIODIC TABLE
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Which diagram shows the process of diffusion?[Image_1: A, B, C, D diagrams with different atoms]
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Which atom has twice as many neutrons as protons?A: $^1_1\text{H}$B: $^2_1\text{H}$C: $^3_1\text{H}$D: $^4_2\text{He}$
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Which is a simple covalent molecule?[Table_1]
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CH4 - ATOMS COMBINING
The electronic structures of atoms P and Q are shown.P and Q react to form an ionic compound.What is the formula of this compound?A. PQ2B. P2QC. P2Q6D...
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CH4 - ATOMS COMBINING
The diagrams show the structures of two forms, P and Q, of a solid element.What are suitable uses of P and Q, based on their structures?[Table_1]| |...
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CH5 - REACTING MASSES AND CHEMICAL EQUATIONS
The equation for the reaction between magnesium and dilute sulfuric acid is shown.$$\text{Mg } + \text{ H}_2\text{SO}_4 \rightarrow \text{MgSO}_4 + \t...
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Winston Churchill, a British Prime Minister, had his false teeth electroplated with gold. The teeth were coated with a thin layer of carbon and were t...
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