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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- The white powder formed when magnesium ribbon burns in oxygen it forms...
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- The rockey material found with ores is known as…………….
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- Conversion of sulphide ore into an oxide by heating in excess of air i...
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- Froth floatation process is used for the concentration of ……………..ores.
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- Cinnabar is an ore of
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- Fill ups Sodium amalgam is a mixture of sodium and …………………. .
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- What is the colour hydrated copper sulphate?
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- Fill ups The process of covering iron with………….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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- What are het reactions occuring at the cathode and anode of a Leclanch...
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- Is nickel more reactive or less reactive than copper?
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- Can we store copper sulphate solution in a zinc vessel ?
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- Can you describe what happens when milk is converted into curd or yogh...
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- How is water gas prepared ?
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- Write the reactions: Chlorination of Benzene
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- Write the functions of : Acrosome.
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- Aluminium powder was added to a solutoin of copper sulphate. The colou...
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- Zinc granules are placed in each of the four solutions A,B,C and D as ...
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- Two beakers A and B contain iron sulphate solution. In beaker A, a sma...
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- A student puts some crystals of CuSO4 in water taken in a test tube. T...
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