breaks easily when struck with a hammer bubbles when acid is placed on it is easily scratched by a fingernail reflects light from its surface
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A chemical property of a mineral is evident if the mineral
Possibilities:
- breaks easily when struck with a hammer
- bubbles when acid is placed on it
- is easily scratched by a fingernail
- reflects light from its surface

bubbles when acid is placed on it