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FULL MARKS-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL QUESTION SOLVED - short answer type question
- State modern periodic law.
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- Wrtie the flow chart of long form of periodic table.
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- Write any four characterisitics of periods.
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- Briefly write any four characterisitcs of group in the periodic table ...
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- What are coinage metals ?
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- What are minerals ?
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- What are ores ?
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- Differentiate ore and mineral .
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- Define - metallurgy.
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- Why flux is added during metallurgy .
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- what is slag ? Give example
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- Write a note about smelting.
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- why does gold , silver annd platinum occur in free state ?
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- Explain the action of Aluminum with air .
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- How does Aluminium react with caustic soda > Give equation.
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- prove that aluminum is a powerful reducing agent .
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- Explain the electrolyte refining of copper .
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- What is the action of heat on copper ?
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- Explain the action of dilute nitric acid with copper .
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- What happens when copper is treated with conc.HNO(3) and with conc.H(...
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