题目内容

How are materials classified?

A. Classification based on composition.
B. Classfication of materials based on structure.
C. Functional classification of materials.

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Based on compostion, materials are classified into _____.

A. Metals.
B. Non-metals.
C. Polymers.
D. Com0posites.

How are materials classified?

A. Classification based on composition.
B. Classification base on structure.
C. Functional classification of materials.
D. A, B and C.

Based on structure, materials are classified into ___.

A. Crystalline materials.
B. Non-crystalline materials.
C. A and B.

What determines the properties of materials?

A. Compostion.
B. Structure.
Composition and structure.

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