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MBD -HARYANA BOARD-METALS AND NON-METALS-SHORT ANSWER TYPE QUESTIONS
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Play - What is a thermite reaction (process) ?
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Play - Differentiate between roasting and calcination.
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Play - What is an alloy ? Name the alloys and their constituents used for : (...
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Play - Write electronic configuration of some elements.
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Play - Why copper articles become green after some time ? Name any two alloys...
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Play - Explain the extraction of reactive metals.
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