Group the following materials on the basis of whether they are lustrous or not.
Gold earrings, plastic bag, newspaper, copper wire
Asked by Topperlearning User | 23rd Apr, 2014, 12:54: PM
Expert Answer:
| Lustrous materials | Non-lustrous materials |
| Gold earrings | Plastic bag |
| Copper wire | Newspaper |
Answered by | 23rd Apr, 2014, 02:54: PM
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