CuCO3 + H2SO4 --> CuSO4 + H20 + CO2

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This is a neutralization reaction that forms CuSO4. CuSO4 is sky blue.
saranyaammu
17 May 2019
U will observe a blue precipitate plus a gas co2 that will turn lime.water milky. 
dr.rana
18 May 2019
The colour change will be from colourless to blue. CO2 is formed which if put in lumewater will turn the colour of the solution milky white which is an indication of the formation of the reaction. 
carolina_soars
29 May 2019
Blue
kunalk
28 June 2019
Blue
kunalk
28 June 2019
Copper carbonate reacts with Sulphuric acid (reactants) giving rise to Copper sulfate (CuSO4) (residue, powder), Carbon dioxide (CO2)(gas) and Water (H2O)(liquid). This is a neutralization reaction, COPPER SULFATE IS BLUE IN COLOUR.
karthik3187
05 July 2019
the white CuCO3 powder when it reacts with H2SO4 will turn blue
bereketzelealem
08 July 2019
CuCO3 is white coloured. When it reacts with sulfuric acid, the white solution changes into blue. This is due to the formation of Copper sulphate.
ashish_shivhare.1829
27 July 2019
the color change during this reaxction is black to white. as we know the color of copper carbonate is black and when we add sulphuric acid to it. the reaction procced to form  anhydrous copper sulphate. which is white in color
snehasharma
08 August 2019
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