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In an attempt to demonstarate electrical...

In an attempt to demonstarate electrical conductivity through an electrolyte, the following apparatus was set up
Which among the following statement is correct?

Bulb will not glow because electrolyte is not acidic
Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
Bulb will not glow because circuit is incomplete.
Bulb will not glow because it depends upon the type of electrolytic solution

A

(i) and (iii)

B

(ii) and (iv)

C

(ii) only

D

(iv) only

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Read the given passage and answers following questions : The particles of colloidal solution possess electrical charge which is responsible for the stability of these solutions. The charge on colloidal particles arises because of selective adsorption of ions which are common with their own lattice. The presence of charge on colloidal particles can be determined with the help of phenomenon known as electrophoresis. However, when some electrolyte is added, the charge on the particles of, dispersed phase gets neutralized and precipitation takes place. This process is also called coagulation. The coagulation is given by Hardy Schulze rules. According to these rules the ions carrying the charge opposite to that of sol particles are effective and coagulating power of an electrolyte is directly proportional to the fourth power of the valency of the ion. Coagulation can also occur by mutual precipitation , by electrophoresis, by persistent dialysis or by heating or cooling. Answer the following questions : Which electrolyte is most effective for coagulating Fe(OH)3 sol?

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Which of the following substance is brittle?

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  2. Which of the following is acidic in nature?

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  3. In an attempt to demonstarate electrical conductivity through an elect...

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  4. Which of the following is used for dissolution of gold?

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  5. Which of the following is not a mineral acid?

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  6. Which among the following is not a base?

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  7. Which of the following statements is not correct?

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  8. Match the chemical substances given in column with their appropirate a...

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  9. Equal volumes of hydrochlric acid and sodium hydroxide solutions of th...

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  10. Which of the following is true when HCl is passed throug water?

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  11. Which of the following statements is true for acids?

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  12. Which of the following are present in a dilute aqueous solution of hyd...

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  13. Identify the correct representation of reaction occuring during chlora...

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  14. Which of the following statement is not correct?

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  15. When black copper oxide placed in a beaker is treated with dilute HCl,...

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  16. Metal hydrogen carbonates react with acids to give

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  17. pH of the solution having hydrogen ions concentration of 1M is

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  18. Which of the following acidic solutions having given pH values is most...

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  19. Which of the following aqueous solution will have highest depression i...

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  20. Which of the following is not a strong acid?

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