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Is zinc a pure substance or a mixture?
Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
Zinc chloride is a pure substance and not a mixture?
Zinc chloride is a pure substance because it is composed of only one type of molecule, specifically zinc and chlorine atoms bonded together in a fixed ratio. It is not a mixture, which consists of two or more pure substances physically combined without forming new chemical bonds.
What does not represent a pure substance A.coper B.chlorine C.water D.brass?
D. Brass does not represent a pure substance because it is an alloy made of a combination of copper and zinc, making it a mixture of different elements. The other options (copper, chlorine, water) represent pure substances.
Is 14 karat gold a pure substance?
14 karat gold is not a pure substance. Pure gold is 24 karat gold. 14 karat gold is made from 58 percent gold mixed with other metals.
Is sodium bicarbonate a pure substance or mixture?
It is a pure substance as well as a compound
Is zinc a pure substance or a mixture?
Nope, it's an element. Zinc (Zn) is element #30 on the periodic table.
Is a brass screw a pure substance?
No, a brass screw is not a pure substance. Brass is an alloy made up of copper and zinc, so it is considered a mixture rather than a pure substance.
Zinc chloride is a pure substance and not a mixture?
Zinc chloride is a pure substance because it is composed of only one type of molecule, specifically zinc and chlorine atoms bonded together in a fixed ratio. It is not a mixture, which consists of two or more pure substances physically combined without forming new chemical bonds.
Is iron is a pure substance or mixture?
Iron is a pure substance. It's an element (Fe) and a bar of Iron is no mixture. If it was pure iron, then by definition it would be pure. However iron is rarely pure, it is usually in alloy with something.
What is the name of the substance created when zinc is heated with sulphur?
The substance created when zinc is heated with sulphur is zinc sulfide.
What does not represent a pure substance A.coper B.chlorine C.water D.brass?
D. Brass does not represent a pure substance because it is an alloy made of a combination of copper and zinc, making it a mixture of different elements. The other options (copper, chlorine, water) represent pure substances.
Is acetone a pure substance or mixture?
pure substance, propanone
Is a tin a pure substance?
Pure substance
Is a lemon a pure substance?
it is a pure substance.... not
Is Methane a mixture or a pure substance?
Methane is a pure substance.
Is brass a mixture or pure substance?
Brass is considered a mixture because it is composed of two or more elements (copper and zinc) that are physically combined but can be separated through physical means.
Is an element a pure substance or a mixture?
pure substance
