Question

b) Analyse the given scenarios and answer the questions.

(i) Raja wants to make a cooking pan. Write two properties of the kind of materials he should use for making it. Give an example of the material he can use

(ii) Sameer wants to construct balcony grills and an aquarium for her new. give an example of one material she can use to make each of them and why.

c) what happens when the following substance are mixed with water? are the changes reversible or irreversible? give reason for your answers

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Answer 1

Answer:

1. 1. He must use metal e. g. steel . the properties to be considered are Malleablity and heat conduction.
2. for grills she can use iron and for aquarium she could use glass as it is transparent and will enable her to see inside.

Answer 2

Answer:

Hloo

Explanation:

Stainless steel and metal fir handle ....

Malleablity and heat conduction ....

By