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Identify the hydronium ion among the following.

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Important Questions on Acids, Bases and Salts

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The bulb is not glowing in this experimental setup. Because:

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While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
EASY

Which of the following is a strong acid?

EASY
In which of the following oxalic acid is found naturally
EASY
If the H+ concentration of an aqueous solution is 0.001M,, then the pOH of the solution would be
EASY
Which among the following is not a strong acid?
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Dry hydrogen chloride gas does not change the colour of dry litmus paper. Why ?
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Four solutions A, B, C, and D have pH 2, 6. 7, and 13 respectively:

Which solution will have the highest number of hydronium ions?

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A solution turns red litmus blue. Its pH is likely to be
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NH3 gas can be dried by passing it over:
EASY
The chemical formula of ammonium hydroxide is-
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What is an alkali? Do basic solutions also have H+(aq) ions? If yes, then why are these basic? 

EASY
Which of the following phenomena occur, when a small amount of acid is added to water?
HARD
Why do acids not show acidic behaviour in the absence of water?
MEDIUM
HCl and HNO3 show acidic characters in aqueous solution while alcohol and glucose solutions do not. Give reason.
HARD
With the help of labelled diagrams, describe an activity to show that acids produce ions only in aqueous solutions.