solve this science class 9 work sheet for 25 points don't spam and I want answer from armies. good morning armies, blinks,oppas,unnies
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Answer:
1) Element: a substance that is made up of only one type of atom. Compound:a substance that is made up of more than one type of atom bonded together.
Mixture: a combination of two or more elements or compounds which have not reacted to bond together; each part in the mixture retains its own properties.
2). Good thermal conductivity, malleability, light weight and high melting point are the properties of aluminium due to which it is used for making cooking utensils.
3) No, we cannot use carbon to make wires for household usages. This is because allotropes of the carbon are poor conductors of electricity except for graphite. ... Therefore, carbon is not desirable for making wires fro household.
4) Malleability, a similar mechanical property, is characterized by a material's ability to deform plastically without failure under compressive stress.Historically, materials were considered malleable if they were amenable to forming by hammering or rolling.Lead is an example of a material which is, relatively, malleable but not ductile.
Ductility is a mechanical property commonly described as a material's amenability to drawing (e.g. into wire). In materials science, ductility is defined by the degree to which a material can sustain plastic deformation under tensile stress before failure. Ductility is an important consideration in engineering and manufacturing, defining a material's suitability for certain manufacturing operations (such as cold working) and its capacity to absorb mechanical overload. Materials that are generally described as ductile include gold and copper.
Answer:
You're in class 9?
I'll be getting promoted in grade 9 this year.
Explanation:
Uh... why do you want me to delete/report your question?
How are you, Army?
'Hope you are doing great!
