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X' is a substance which gives CO2 , wate...

X' is a substance which gives `CO_2` , water and. common salt on adding HCl to it. What would be 'X' ?

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`N/A_2CO_3` or `N/AHCO_3` . (OR) Metal carboN/Ates/ Metal bicarbonets
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VGS PUBLICATION-BRILLIANT-ACIDS, BASES AND SALTS -Section-2
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  2. Suggest to your friend, the substances required to prepare sodium zinc...

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  3. X' is a substance which gives CO2 , water and. common salt on adding H...

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  4. Observe and prepare two questions while doillLg the following activity...

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  5. Predict 'X' from the given figure. If X+basetowater+NaCl

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  6. Guess the reason for that the HCl, evolved in the reaction. 2NaCl+H2S...

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  7. What happens when Mg(OH)2 is dissolved in water?

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  8. x' ions cannot exist as bare ions. They associate with water molecules...

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  9. Which one of the following is preferred to control the acidity? Why?

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  10. What is the nature of the salt CaSO4 formed by the reaction between ca...

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  11. Why do acids not show acidic behaviour in the absence of water?

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  12. Why pura acetic acid does not turn blue litmus to red?

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  13. Which substance / tool is used to test the gases, H2 and CO2?

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  14. Name the required substances to perform a neutralization reaction in y...

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  15. What precaution to be taken while diluting the con. Acid?

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  16. How do Plaster of Paris obtain from gypsum?

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  17. What is the change you observe in litmus paper with acid ?

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  18. What is the change you observe in litmus paper with base ?

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  19. Explain the procedure that you follow to reduce water from a given sal...

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  20. Write the observations, when the hydrated salt or unhydrated salt is h...

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