Complete the following chemical reactions. PbS + H2O2 (aq)
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152.
Complete the following chemical reactions.
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153.
How does hydrogen peroxide act as bleaching agent?
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154.
Give two chemical reactions which show the acidic character of hydrogen peroxide.
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155.Hydrogen peroxide is used to restore the colour of old oil paintings containing lead oxide. Write a balanced equation for the reaction that takes place in this process.
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Long Answer Type
156.What is the structure of hydrogen peroxide? Draw a schematic diagram indicating the shape of the molecule clearly.
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157.
Compare the structure of H2O and H2O2
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Short Answer Type
158.
Enlist the important uses of hydrogen peroxide.
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Long Answer Type
159.
How is strength of hydrogen peroxide expressed? Calculate the strength of 20 volume hydrogen peroxide in grams per litre.
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160.
Calculate the strength of 10 volume solution of hydrogen peroxide.
Short Answer Type
Long Answer Type
