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MBD-METALS AND NON METALS-EXAMPLE
- what are insulators?
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- Name four non-metals which are solid at room temperature
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- Name the element which are present in abundance in earth's crust
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- What are alkalies? give one example
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- Name two amphoteric oxide
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- What happens when magnesium reacts with oxygen?
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- Name the metal whcih does not react with dill.HCI.
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- Name two metals which react wth hydrogen
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- Give the reactions when red hot iron reacts with steam
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- Why is zinc oxide called amphoteric oxide?
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- The metals Na, k and Ca react with hydrogen to form hydride but other ...
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- Give the reaction which occur when zinc plate is added to copper sulph...
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- Out of the metals,Na,Cu,Au which is : most reactive and least react...
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- Arrange the following metals in the increasing order of reactivity zin...
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- Name two metals which occur in free state in nature?
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- Define corrosion of metals?
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- Name a metal which undergoes corrosion is air?
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- Name two metals which are not corroded easily
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- Why does copper untesils turn green on exposure to air?
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- Name two metals which are both malleble and ductile.
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