29 сент. 2020 г. · Thus, while graphite itself is an element, pencil lead as a whole is a mixture of graphite and other substances. Is a pencil a pure substance? Is graphite a mixture or a pure substance? Which substance is used to write in a pencil? Is graphite a mixture compound or element? Другие результаты с сайта www.quora.com

2 сент. 2018 г. · Pencil lead is a heterogeneous mixture of graphite and clay powders. Before mixing the two substances, they are separately cleaned and dried ...

11 янв. 2018 г. · Pencil lead is mainly composed of graphite, which is an element. It is not a compound, homogeneous mixture, or heterogeneous mixture.

Pencil lead: (mixture or pure substance? element or compound?) -pure substance -element. Copper: (mixture or pure substance? element or compound?) -pure ...

9 янв. 2020 г. · Pure substances: water, iron nail, pencil lead, sugar. Mixtures: Air, blood, butter, milk, steel, paper.

By the way, the specific type of homogeneous mixture is that it is a solution. (e) pencil lead ... Graphite is pure carbon, it is a chemical element. That ...

28 мар. 2013 г. · A pencil is a mechanical mixture because it contains a combination of different substances such as wood, graphite, and sometimes other materials ...

2 сент. 2018 г. · Pencil lead is a heterogeneous mixture of graphite and clay powders. Before mixing the two substances, they are separately cleaned and dried ...

Pencil lead is a mixture because it is composed of graphite and various binders such as clay.