Question

write chemical formula of 5 coloured substance from chapter chemical reactions of class 10th

Answer 1

Answer:

1.) 2FeS04 (on HEATING) - Fe2O3 +SO2 + SO3 (Eq. 1.19)

2.) 2Pb(NO3)2 (on HEATING) - 2PBO + 4NO2 + O2 (Eq. 1.21)

    PBO - LEAD IODISE (YELLOW COLOUR)

3.) Fe + CuSO4 gives FeSo4 +  Cu (Eq. 1.24_

4.) Zn + CuSO4 gives you ZnSO4 + Cu (Eq. 1.25)

5.) NA2SO4 + BaCl2 gives you BaSo4 + 2NaCl ( EQ. 1.27)

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