Question

Describe an activity with diagram to illustrate that the reaction of metal carbonates and metal bicarbonates with acids produces carbon dioxide Write the relevant equations of all the reactions that take mace. Name any two forms in which calcium carbonate is found In nature.

Plz ars. fast

Answer 1

Sodium Carbonate is added with Hydrochloric Acid in a boiling tube which is crocked

Take a delivery tube from tube 1 to tube 2 . First is dipped into lime water

Lime water is a indicator used for detect CO2 , It will turn to milky color

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Reaction takes place in TEST TUBE 1

Na2CO3 + 2HCl ---> 2NaCl + CO2 + H2O

Reaction takes place in TEST TUBE 2

CO2 + Ca(OH)2 ----> CaCO3 + H2O

White Precipitate - CaCo3

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Two forms in which calcium carbonate is found In nature -

1. LIMESTONE
2. MARBLE

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Answer 2

In this activity, we are using sodium carbonate and hydrochloric

acid

 

Arrange the apparatus as shown below

 

Sodium carbonate is added to hydrochloric acid in a

boiling tube which is immediately stoppered.

 

A delivery tube from the first boiling tube in dipped into

limewater in the second boiling tube.

 

Limewater is used to test for carbon dioxide. The presence

of carbon dioxide is determined when a white precipitate forms.

 

Reaction in the first boiling test tube:

 

Na2CO3 + 2HCl = 2NaCl + CO2 + H2O

 

Reaction in the second boiling tube:

 

CO2 + Ca(OH)2 = CaCO3 + H2O

 

The white precipitate is CaCO3