Question

on keeping an iron nail in copper sulphate solution for 2 hours the colour of the solution changes into ​

Answer 1

Explanation:

If one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes isIf one of the zeroes of the cubic polynomial x3 + ax2 + bx + c is -1, then the product of the other two zeroes is

Answer 2

Answer:

light green will be the colour

Explanation: