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Name the gas evolved when dilute HCl rea...

Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?

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The gas evolved is carbon dioxide `(CO_(2)).` What the gas is bubble through lime water, it becomes milky.
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DINESH PUBLICATION-ACIDS, BASES AND SALTS -VERY SHORT ANSWER QUESTIONS
  1. Give two examples of the salts belonging to the chloride family.

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  2. What will be the colour acquired by a basic solution if a few drops of...

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  3. Name the gas evolved when dilute HCl reacts with sodium hydrogencarbon...

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  4. Arrange the following in increasing order of their pH values : NaOH ...

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  5. How does the pH change when the solution of base is diluted with water...

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  6. Which one or these has a higher concentration of H^(+) ions ? 1MHClo...

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  7. Which bases are called alkalies ? Give an example of alkalies ?

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  8. Name one natural source of each of the followign acids. (a). Citric ...

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  9. Write the name and chemical formula of the main product formed by heat...

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  10. Write the names and chemical formulae of the products formed by heatin...

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  11. A student dipped a strip of pH paper in distilled water taken in a tub...

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  12. The pH of rain water collected from two cities A and B was found to b...

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  13. Why does an aqueous solution of alcohol fail to conduct electric curre...

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  14. Name the chemical substanc which constitutes bees sting.

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  15. Which substance constitutes the enamel coating of our teeth ?

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  16. What happens when a base reacts with a non-metallic oxide. What would ...

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  17. Name the acids and bases from which the following salts may be obtaine...

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  18. What will be the pH of the following salt solutions. (i) Salt made f...

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  19. Give example of two substances having water of crystallisation. Write ...

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  20. What are pH values of distilled water and common salt solution ?

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