Categorize the following into pure substances and mixtures:

Water, air, iron nail, blood, pencil lead, butter, sugar, mill, steel, paper. 

Asked by pyariji2021 | 10th Oct, 2019, 07:05: AM

Expert Answer:

Pure substaces:Water, sugar, iron nail, 
MIxtures: milk, air, steel, steel, blood, paper, butter, pencil lead

Answered by Ramandeep | 11th Oct, 2019, 10:46: AM