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Small amounts of phosphoric acid is usua...

Small amounts of phosphoric acid is usually added to hydrogen peroxide to prevent its decomposition ?
By which name are these type of substances known ?

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Negative catalyst
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In the presence of a small amount of red phosphorous, aliphatic carboxylic acids react with chlorine or bromine to yield a compound in which alpha -hydrogen has been replaced by halogen. This reaction is known as

In the lab three students were asked to prepare a colloidal solution. Student A .: Added starch powder into hot water. Student B : Added a small amount of ferric chlorideInto freshlyprepared ferric hydroxide. Student C : Added soap In to water.Name the process adopted by student B.

In the lab three students were asked to prepare a colloidal solution. Student A .: Added starch powder into hot water. Student B : Added a small amount of ferric chlorideInto freshly prepared ferric hydroxide. Student C : Added soap In to water.Which type of colloid was prepared by student A, lyophoblc sol or lyophillcsol ?

The dissociation of weak electrolyte (weak acid) is expressed in terms of Ostwald dilution law. Stronger is the acid, weaker is its conjugate base. The dissociation constants of an acid (K_(a)) and its conjugate base (K_(b)) are related by the given relation : K_(w) = K_(a) xx K_(b) At 25^(@)C, K_(w) (Ionic product of water ) = 10^(14) . Phosphoric acid is a weak acid. it is used in fertilizer, food, detergent and toothpaste. Structure of phosphoric acid is : (pK_(a1) = 2.12, pK_(2) = 7.21 , pK_(a3) = 12.32) Aqueous solution of phosphoric acid with a density of 1 g mL^(-1) containing 0.05% by weight of phosphoric acid is used to impart taste to many soft drinks. Phosphate ion is an interfering radical in qualitative analysis. It should be removed for analysis beyond third group of qualitative analysis. Which among the following relations is correct ?

MAXIMUM PUBLICATION-REDOX REACTIONS AND RATE OF CHEMICAL REACTIONS-EXAMPLE
  1. Sulphur pieces do not react with cold concentrated nitric acid . But s...

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  2. Small amounts of phosphoric acid is usually added to hydrogen peroxide...

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  3. Small amounts of phosphoric acid is usually added to hydrogen peroxide...

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  4. Small amounts of phosphoric acid is usually added to hydrogen peroxide...

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  5. Find the oxidation number of the elements which are underlined in the ...

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  6. Find the oxidation number of the elements which are underlined in the ...

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  7. Find the oxidation number of the elements which are underlined in the ...

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  8. Find the oxidation number of the elements which are underlined in the ...

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  9. Find the oxidation number of the elements which are underlined in the ...

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  10. Find the oxidation number of the elements which are underlined in the ...

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  11. Find the oxidation number of the elements which are underlined in the ...

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  12. Find the oxidation number of the elements which are underlined in the ...

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  13. Find the oxidation number of the elements which are underlined in the ...

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  14. Some apparatus and chemicals are given. Zn, Mg, dilute HCl, CaCO3 test...

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  15. Some apparatus and chemicals are given. Zn, Mg, dilute HCl, CaCO3 test...

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  16. Some apparatus and chemicals are given. Zn, Mg, dilute HCl, CaCO3 test...

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  17. The experiments conducted by two students are given below. Experimen...

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  18. The experiments conducted by two students are given below. Experimen...

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  19. Some materials available in the laboratory are given below. Magnesium...

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  20. Some materials available in the laboratory are given below. Magnesium...

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