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MBD-METALS AND NON METALS-EXAMPLE
- If a copper plate reamins immeresed in silver nitrate solution for som...
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- Copper sulphate solution is stored in an iron container. after some da...
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- Why copper becomes green if left open in air ?
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- Show the formation of sodium chloride by transfer of electrons?
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- Which process is used for the enrichment of suphide ore.explain in bri...
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- What is amalgum?
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- Name two alloys of copper?
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- An alloy of yellw colour is made of two metals a and b.when alloy a w...
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- Suphur dioxide (SO2) gas is produced when a certain ore is heated writ...
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- What is Thermite process? write its uses.
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- Give five uses of non-metals
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- Differentiate roasting and calcination
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- How is ionic compound potassium oxide formed?
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- Ionic compounds are insulators when in solid state whereas when in aqu...
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- Give two ores of aluminium.
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- Give uses of five metals
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- Which gas is produced when reactive metals come in contact with dilute...
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- Give reason aluminium oxide is considered as an amphoteric oxide.
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- How do iron and aluminium react with water?
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- What happen when:iron oxide is heated with coke?
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