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which question you want to get the answer b or c or d
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B. Molybdenum is used in the manufacture of ammonium beacause molybdenum acts as a promoter which increases the efficiency of the catalyst Iron,resulting in better yield of ammonia. Answer: Molybdenum increases the efficiency of the catalyst iron used in the manufacture of ammonia.
C. When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO4) there takes reaction between them and coppersulphate change its color from blue to light green. ... CuSO4 is in blue Color and FeSO4 is in light green color. So, there will be change in the composition and color of the solution changes from blue to light green.
D. Colourless concentrated sulphuric acid in a test tube changes to blue an adding a small piece of copper to it because copper displaces hydrogen present in sulphuric acid. as copper attributes blue colour the acid turns blue.
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C. When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO4) there takes reaction between them and coppersulphate change its color from blue to light green. ... CuSO4 is in blue Color and FeSO4 is in light green color. So, there will be change in the composition and color of the solution changes from blue to light green.
D. Colourless concentrated sulphuric acid in a test tube changes to blue an adding a small piece of copper to it because copper displaces hydrogen present in sulphuric acid. as copper attributes blue colour the acid turns blue.
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