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CHETANA PUBLICATION-Metallurgy-EXAMPLE
- Give scientific reasons: Lemon or tamarind is used for cleaning copp...
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- Give scientific reasons: Sodium is always kept in kerosene
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- Give scientific reasons: Pine oil is used in Forth floation
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- Anodes need do be replaced from time to time during the electrolysis o...
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- Give scientific reasons: Gold and silver are used to make jewellery...
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- Give scientific reasons: Aluminium foils are used to wrap food item...
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- Give scientific reasons: Aluminium oxide is called an amphoteric ox...
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- Give scientific reasons: Carbonate and suphide ores are usualy conv...
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- Give scientific reasons: Hydrogen gas is not evolved when metals li...
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- Give scientific reasons: Metals are good conductors of electricity ...
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- Give scientific reasons: Calcium floats on water during the reactio...
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- Give scientific reasons: Sodium is more reactive than aluminium
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- Give scientific reasons: During electrolytic reduction of alumina, ...
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- Give scientific reasons: Ionic compounds in solid state do not cond...
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- Give scientific reasons: Ionic compounds are called electrolytes
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- Explain the following: When a copper coin is dipped in silver nitrat...
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- Explain the following: The electronic configuration of metal A is 2...
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- Explain the following: What are the properties of metals and Non-me...
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- Explain the following: Why do silver articles turn balckish while c...
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- Explain the following: Why do pure gold and platinum always giltter...
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