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प्रश्न
By squeezing lemon on a piece of rock the gas liberated turned lime water milky. which compound is present in the rock?
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उत्तर
Compound presents in the rock is either a compound of carbonate or bicarbonate because acids react with carbonate or bicarbonate and liberate CO2. This carbon dioxide turns lime water milky.
संबंधित प्रश्न
Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.
One of the following is not an organic acid. This is:
(a) ethanoic acid
(b) formic acid
(c) citric acid
(d) carbonic acid
It has been found that rubbing vinegar on the stung area of the skin of a person gives him relief. The person has been stung by:
(a) wasp
(b) ant
(c) honey bee
(d) nettle leaf hair
Write the chemical formula of ammonium chloride. Explain why an aqueous solution of ammonium chloride is acidic in nature? Illustrate your answer with the help of a chemical equation.
The salt which will give a neutral solution on dissolving in water will be:
(a) CH3COONa
(b) NH4Cl
(c) KCl
(d) Na2CO3
Name the acid present in vinegar.
Name the particles present in :
Weak electrolyte
Sulphuric acid has the highest importance in the chemical industry. Why?
Carbonic acid gives an acid salt but hydrochloric acid does not. Explain.
A farmer was unhappy because of his low crop yield. He discussed the problem with an agricultural scientist and realised that the soil of his field was either too acidic or too basic. What remedy would you suggest the farmer to neutralise the soil?
