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ZEN PUBLICATION-METALS AND NON METALS-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER TYPE 2 QUESTIONS)
- A metal X is used extensively in making aeroplane bodies as it is ligh...
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- During extraction of metals, electrolytic refining is used to obtain p...
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- Match the method of extraction with the metals.
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- How is impure copper purified by electrolytic refining? Draw a neat la...
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- Tabulate the changes and compounds formed when Ag, Cu, and Fe articles...
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- Define the term alloy. Write two advantages of making alloys.
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- A metal is slowly eaten away in the presence of air and water. To avoi...
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- Two elements X and Y have atomic number 3 and 5 respectively, give the...
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- Explain the reactions of different metals with lot water, cold water a...
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- State the property utilized in the following : (i) Graphite is makin...
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- (i) Write any two properties of ionic compound. (ii) Show the format...
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- P,Q and R are 3 elements which undergo chemical reactions according to...
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- Account for the following: (i) Electrical wire are coated with plast...
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- Explain the structure of mature female gametophyte with the help of a ...
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- State three reasons for the following facts: a. Sulphur is a non met...
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- Write balanced chemical equations for the following reactions : (i)...
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- a. Write the electronic dot structure of K and Cl. b Show the format...
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- Give reasons for the following: a. Ionic compounds in general have h...
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- Write one example of each of the following : (i) Most malleable meta...
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- Draw the diagram of the arrangement of apparatus to show the action of...
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