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JNAN PUBLICATION-MATTER (CHEMICAL EFFECTS OF ELECTRICITY)-EXAMPLE
- Fill in the blanks:- Rusting of iron occurs in contact with and moi...
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- Fill in the blanks:- Parts of a bicycle or a car or a bran tap are c...
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- Fill in the blanks:- To protect iron tools or utensils form rusting ...
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- Fill in the blanks:- Nickel plated substances are attracted by .
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- Fill in the blanks:- Impure copper is purified by method.
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- Fill in the blanks:- Some electroytes remain completely in solution...
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- Fill in the blanks:- an LED can glow even at a low.
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- Fill in the blanks:- During electrogplating the substance on which p...
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- Match the column A with coloumn B.
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- What are electrolytes? Give example.
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- What is electroplating?
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- During electroplating which is taken as cathode and anode?
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- What is galvanized iron?
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- How can you differ between stainless steel and nickel-coated iron?
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- Why wax, butter, ghee etc are non-electrolytes?
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- Name the ions produced by pottasium hydroxide, sulphuric, acid and pot...
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- What is electrolysis?
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- Why some acid or alkali si added with pure water in an experiment?
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- What are strong and weak electrolytes?
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- Give three important uses of electrolysis.
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