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An element burns in oxygen to form its o...

An element burns in oxygen to form its oxide which is soluble in water. This aqueous solution gives a pink colour with phenolphthalein. What conclusions do you draw from these observations?

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Element is a reactive metal, its oxide has basic nature
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ICSE-STUDY OF ACIDS, BASES AND SALTS-QUESTIONS FOR PRACTICE
  1. Fill in the blanks by using the correct word/term given in the bracket...

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  2. Name the bases NaOH, KOH, and NH(4)OH.

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  3. An element burns in oxygen to form its oxide which is soluble in water...

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  4. Write the equations to represent the reaction of sodium hydroxide with...

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  5. Give one example of each of the following: A basic oxide which is so...

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  6. Give one example of each of the following: A metal hydroxide which i...

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  7. Give one example of each of the following: A basic oxide which is in...

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  8. Fill in the blanks by using the correct word/term given in the bracket...

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  9. Fill in the blanks by using the correct word/term given in the bracket...

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  10. Fill in the blanks by using the correct word/term given in the bracket...

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  11. Fill in the blanks by using the correct word/term given in the bracket...

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  12. Answer the following questions with respect to the solutions marked 'A...

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  13. Answer the following questions with respect to the solutions marked 'A...

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  14. Answer the following questions with respect to the solutions marked 'A...

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  15. Answer the following questions with respect to the solutions marked 'A...

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  16. Two acids A and B have pH values 1 and 5 respectively. Which is the st...

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  17. The pH of a neutral solution is 7. What is the pH of an alkaline sol...

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  18. The pH of a neutral solution is 7. What is the pH of an acidic solut...

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  19. What is the pH value of the solution when the hydrogen ion concentrati...

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  20. Two solutions A and B have pH values 3 and 8 respectively. Which one o...

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