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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- T/F Carbonate and sulphide ores are usually converted into oxides.
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- State two ways to prevent the rusting of iron
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- What is 24 carat gold? How would you convert into 18 carat gold?
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- Sodium amalgam is a mixture of ............. and mercury.
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- The colour of hydrated copper sulphate is……………and that of anhydrous co...
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- T/F The process of covering iron with Zn is called galvanization.
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- Fill ups Out of Al,Zn and Ag only…………..cannot displace hydrogen form d...
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- Define the terms metals, non-metals and metaloids. Give one example in...
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- Discuss the reactivity of metals with oxygen with examples.
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give the chemical formula and name of the metals whose ores are the fo...
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- Give examples of metals which occur in different types of ores.
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- What do you understand by calcination and roasting? What are the diffe...
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- Give an example of each of the following : Cube
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