SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ammonia
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Sodium chloride
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Sodium hydroxide
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Calcium carbonate
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Detailed explanation-1: -Which substance, when added to excess would neutralise the acid without leaving an alkaline solution? Aqueous ammonia. No worries!
Detailed explanation-2: -The chips, calcium carbonate, will be allowed to react with nitric acid to form carbon dioxide, water, and soluble calcium nitrate. This will result in a noticeable loss of mass.
Detailed explanation-3: -Therefore, 3 g of dilute nitric acid will be required to dissolved of calcium carbonate.
Detailed explanation-4: -When nitric acid is added to it, brisk effervescence due to the formation of CO2 gas is observed. The reaction is: CaCO3(s)+2HNO3 (aq)→Ca(NO3)2(aq)+CO2(g)+H2O(l) Q.
Detailed explanation-5: -Step 2: Reaction of nitric acid and sulfuric acid in acid rain with marble and limestone. When acid rain comes in contact with the marble or limestone, the marble and limestone decompose and produce carbon dioxide.