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प्रश्न
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]
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उत्तर १
\[\ce{CaSO3 + 2HCl → CaCl2 + H2O + SO2}\]
उत्तर २
\[\ce{\underset{(Pot.bisulphite)}{KHSO3}+ HCl -> KCl + H2O + SO2}\]
संबंधित प्रश्न
Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.
Name the gas evolved when zinc granules are treated/heated with:
sodium hydroxide solution
Water is never added to acid in order to dilute it why?
Give the name and formula of two : Non-volatile acids
Explain, all alkalis are bases but all bases are not alkalis.
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
Acids are ________ in taste.
Classify the various types of Acids based on their sources.
An acid is ______.
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
