Science, asked by lakshyarajput830786, 9 months ago

write the chemical equation of each of the reaction in which the following changes have taken place with the help of example of each (1) change in colour (2) change in temperature (3) formation of precipitate?

Answers

Answered by bhoomisingh33

1

Answer:

1) Change in color

CuSO4+Fe=FeSo4+Cu

Blue light green

2) Zn+H2So4=ZnSo4+H2 +Heat evolved

3) NaSo4+BaCl=BaSo4+NaCL

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