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Which gas is usualy libertad when an aci...

Which gas is usualy libertad when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

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MBD-ACIDS, BASES AND SALTS-EXAMPLE
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  2. Why should curd and sour substances not be kept in brass and copper ve...

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  3. Which gas is usualy libertad when an acid reacts with a metal? Illustr...

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  4. Metal compound A reacts with dilute hydrochloric acid to produce effer...

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  5. Why do HCI,HNO3 etc, show acidic characters in aqueous solutions while...

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  6. Why does an aqueous solution of an acid conduct electricity?

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  7. Why does dry HCI gas not change the colour on the dry litmus paper?

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  8. while diluting an acid, Why is it recommended that the acid should be ...

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  9. How is the concentration of hydroxide ions(OH) affected when excess ba...

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  10. You have two solutions a and b the ph of solution a is 6 and ph of sol...

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

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  12. Do basic solution also haveH^+ (aq) ions? If yes, then why are these b...

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  13. Under what soil condition do you think farmer would treat the soil of ...

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  14. What is the common name of the compound CaOCl2?

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

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

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  17. What will happen if a solution of sodium hydrogencarbonate is heated? ...

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  18. Write an equation to show the reaction between plaster of paris and wa...

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  19. A solution turns red litmus blue, its pH is likely to be

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

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