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Question

32/69

Midnight97 · Answer

Which method of testing substances is a sure way to identify a chemical reaction?
 A. 
change in color
 B. 
formation of bubbles
 C. 
change in density
 D. 
increase in temperature
 E. 
solubility in water

mrwhskers · Answer

are you able to do multiple  answers or just one?

Midnight97 · Answer

@oliver69 can you help?

Midnight97 · Answer

@mrwhskers wrote:

are you able to do multiple answers or just one?

no just one

mrwhskers · Answer

alright one sec

OLIVER69 · Answer

It's E because a change in color/density, formation of bubbles, and increase in temperature can all be indicators of a chemical reaction.

Midnight97 · Answer

@oliver69 wrote:

It's E because a change in color/density, formation of bubbles, and increase in temperature can all be indicators of a chemical reaction.

thank you

mrwhskers · Answer

i actually believe its option b, could be e. change in color. but w/ b its common, and one of the most observable chemical reactions that people know of, its a sure way to tell, most of these you can tell its a chemical reaction, but B one is the most OBVIOUS one.  b, or e.

Midnight97 · Answer

@mrwhskers wrote:

i actually believe its option b, could be e. change in color. but w/ b its common, and one of the most observable chemical reactions that people know of, its a sure way to tell, most of these you can tell its a chemical reaction, but B one is the most OBVIOUS one. b, or e.

thank you

mrwhskers · Answer

@midnight97 wrote:

@mrwhskers wrote:

i actually believe its option b, could be e. change in color. but w/ b its common, and one of the most observable chemical reactions that people know of, its a sure way to tell, most of these you can tell its a chemical reaction, but B one is the most OBVIOUS one. b, or e.

thank you

no problem