Question

-
(i) 2p% - 3p² + 4p - 5 - 6p + 2 p2 - 8p - 2 +6p+8
xy + 6x – 4y + 5xy - 4x + 6x2 + 3y
(iii) x4 - 6x + 2x – 7 + 7x® - x + 5x2 + 2 - x4
​

Answer 1

Answer:

When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.

Step-by-step explanation:

mark me brienlist

drop some thanks

Answer 2

Answer:

I GOT ONLY I ANSWERS

I HOPE IT'S HELPFUL TO YOU