Question

SECTION - A
Class Response
A. Oral questions:
1. Name (a) a solid metal (b) a liquid metal at room temperature.
2. What is the chemical nature of rust?
and pls answer these questions which on the picture ​

Answer 1

1. Name

(a) a solid metal

= IRON.

(b) a liquid metal at room temperature.

= MERCURY.

2 ans.)

Rust is an iron oxide, a usually reddish brown oxide formed by the reaction of iron and oxygen in the presence of water or air moisture. Rust consists of hydrated iron(III) oxides Fe2O3·nH2O and iron(III) oxide-hydroxide (FeO(OH), Fe(OH)3). It is typically associated with the corrosion of refined iron.