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How is the concentration of hydronium io...

How is the concentration of hydronium ions` (H_(3)O^(+))` affected when a solution of an acid is diluted?

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When an acid is diluted, the concentration of hydronium ions `(H_(3)O^(+))` per unit volume decreases. This means that the strength of the acid decreases.
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How is the concentration of hydronium (H_(3)O^(+)) ions affected when a solution of an acid is diluted?

(a) Why does an aqueous solution of an acid conduct electricity ? (b) How does the concentration of hydrogen ions [H_(3)O]^(+) change when the solution of an acid is diluted with water ? (c ) Which has a higher pH value , a concentrated or dilute solution of hydrochloric acid ? (d) what happens when hydrochloric acid reacts with (i) sodium bicarbonate placed in a test tube ? (ii) zinc metal in a test tube ?

How is the concentration of hydroxide ions (OH^(–)) affected when excess base is dissolved in a solution of sodium hydroxide?

NCERT-ACIDS, BASES AND SALTS-Exercise
  1. Why does dry HCl gas not change the colour of the dry litmus paper?

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

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

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  4. How is the concentration of hydroxide ions (OH^(–)) affected when exce...

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

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

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  7. Do basic solutions also have H^(+)(aq) ions? If yes, then why are thes...

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

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

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

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

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  12. What will happen if a solution of sodium hydrocarbonate is heated? Giv...

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

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  14. A solution turns red litmus blue, its pH is likely to be (i) 1 (ii) 4...

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  15. A solution reacts with crushed egg-shells to give a gas that turns lim...

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  16. 10 mL of a solution of NaOH is found to be completely neutralised by 8...

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  17. Which one of the following types of medicines is used for treating ind...

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  18. Write word equations and then balanced equations for the reaction taki...

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  19. Compounds such as alcohols and glucose also contain hydrogen but are n...

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  20. Why does distilled water not conduct electricity, whereas rain water d...

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