Workout these questions below.
Name :
______________________________ Marks :
Date : ______________________________
1. Katie and Nando have
identical new bicycle. Katie lives in a dry, cool, grassland area and Nando lives in warm, wet region on the
coast. Which bicycle may show signs of rusting first? Explain your answer.
2. What is the relationship between rusting of
metals and their reactivity?
3.
Iron, Aluminum, Lead, Copper, Tin, Zinc,
Magnesium. Which of these
element will rust first and which is the last?
Arrange the elements according to the reactivity. (most
reactive to less reactive)
4.
Suggest the
statement below:
a.
The roof of the
house are potassium plate
b.
We can protect the
fence in the yard by painting
No comments:
Write komentar