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MBD-METALS AND NON METALS-EXAMPLE
- Write the electron-dot structure for sodium oxide.
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- Why do ionic compounds have high melting points?
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- Define the terms: mineral
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- Define the terms: ore
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- What chemical process is used for obtaining a metal from its oxide?
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- Metallic oxides of zinc, magnesium and copper were heated with the fol...
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- Which metals do not corrode easily?
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- What are alloys?
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- Which of the following pairs will give displacement reactions:
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- Which of the following methods is suitable for preventing an iron fryi...
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- An element reacts with oxygen to give a compound with a high melting p...
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- Food cans are coated with tin and not with zinc because:
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- You are given a hammer, a battery, a bulb ,wires and a switch How coul...
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- You are given a hammer, a battery, a bulb ,wires and a switch. Assess...
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- What are amphoteric oxides? give two examples of amphoteric oxides?
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- Name two metals which will displace hydrogen from dilute acids, and tw...
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- In the electrolytic refining a metal M what would you take as the anod...
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- Pratyush took sulphur powder on a spatula and heated it. he collected ...
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- Pratyush took sulphur powder on a spatula and heated it. he collected ...
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- State two ways to prevent the rusting of iron
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