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MBD-METALS AND NON METALS-EXAMPLE
- Name two noble metals
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- Name an ore of mercury?
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- Name two metalloids.
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- Metals lose lustre when placed in air why?
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- Name two metals which can be cut with a knife
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- Why do metals aquire different shapes?
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- Name the metal which is poor conductor of heat
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- what are conductors?
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- 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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