3 years ago

Which of these processes indicates that smelting copper is a chemical change?

2 answers:

8 0

it involves melting copper to form liquid metal. it involves heating charcoal to high temperatures. it involves drawing copper into long wires. it involves breaking molecular bonds between copper compounds.

Elan Coil [88]3 years ago

7 0

Answer:

AS ITS CANT BE REVERSED
IT IS PERMANEMT CHANGE
NEW SUBSTANCE FORMED
HEATING OS USED OR CHEMICAL REACTION.

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