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Answer:
1-Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction. ... A mixture is made by simply mixing together elements and compounds. No new chemical bonds are formed.
2-A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. A few of them include gold, copper, oxygen, chlorine, diamond, etc.
3-metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Examples of metals are aluminium, copper, iron, tin, gold, lead, silver, titanium, uranium.
4-Sublimation is the method of separating naphthalene from common salt.
5-, a pure substance or a homogeneous mixture consists of a single phase. A heterogeneous mixture consists of two or more phases. When oil and water are combined, they do not mix evenly, but instead form two separate layers.
6-elements -sodium, silver, tin
compounds- calcium carbonate
mixtures-soil, sugar solution
Answer:
ELEMENTS - Silver Nitrate
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