Question

E1 Find the area of a square of side 25 metres.  (2m)​

Answer 1

Step-by-step explanation:

Substances which themselves are not catalysts, but when mixed in small quantities with the catalysts increase their efficiency are called as promoters or activators. Catalytic poisons : Substances which destroy the activity of the catalyst by their presence are known as catalytic poisons. ...

Answer 2

$area \: of \: square = side \times side$

$given \: side \: is \: 25meter$

$25 \times 25 = 625$

$so \: the \: area \: of \: square \: is \: 625m$