Question

please give me all answer​

Answer 1

Answer:

Corrosion can be defined as the process through which refined metals are converted into more stable compounds such as metal oxides, metal sulfides, or metal hydroxides. The rusting of iron involves the formation of iron oxides via the action of atmospheric moisture and oxygen.

Answer 2

Answer:

Step-by-step explanation:

1.1.a

1.2d

2. 1.b

2.c

4.a

3 shila age before 4 years =x-4

After 4years= x+4

4 answer is 7*(1/2)=7/2 liter