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Why should curd and sour substances not ...

Why should curd and sour substances not be kept in brass and copper vessels ?

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Curd and sour substances contain acids. When these are stored in brass and copper vessels, these vessels get corroded and some toxic substances are produced. These toxic substances may contaminate food items.
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OSWAAL PUBLICATION-ACIDS,BASES AND SALTS -NCERT CORNER INTEXT QUESTIONS
  1. You have been provided with three test tubes. One of them cotains dist...

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  2. Why should curd and sour substances not be kept in brass and copper ve...

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  3. Which gas is usually liberated when an acid reacts with a metal ? Illu...

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  4. Metal compound A reacts with dilute hydrochloric acid to produce effer...

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  5. Why do HCl, HNO(3), etc., show acidic characters in aqueous solutions ...

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  6. Why does an aqueous solution of an acid conduct electricity ?

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  7. Why does dry HCl gas not change the colour of the dry litmus.

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  8. While diluting an acid, why is it recommended that the acid should be ...

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  9. How is the concentration of hydronium ions (H(3)O^(+)) affected when a...

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  10. How is the concentration of hydroxide ions (OH -) affected when excess...

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  11. You have two solutions, A and B. The pH of solution A is 6 and pH of ...

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  12. What effect does the concentration of H^(+) (aq) ions have on the natu...

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  13. Do basic solutions also have H^(+) aq ion ? If yes, then why are these...

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  14. Under what soil condition do you think a farmer would treat the soil o...

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  15. What is the common name of the compound CaOCl(2) ?

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  16. Name the substance which on treatment with chlorine yields bleaching p...

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  17. Name the sodium compound which is used for softening hard water.

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  18. What will happen if a solution of sodium hydro carbonate is heated ? G...

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  19. Write an equation to show the reaction between Plaster of Paris and wa...

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