How could you tell if the powder was salt, sugar, flour, or baking soda?

Question

abb0t · Answer

Try tasting them. All of those are safe to taste.

ookawaiioo · Answer

Salt- dissolves in water
Sugar, flour- dissolves in alcohol
Im not sure about baking soda

anonymous · Answer

uhm wont baking soda fizz in the presence of a weak acid like vinigar

aaronq · Answer

@abb0t I was thinking the exact same thing

thomaster · Answer

@oOKawaiiOo Since when does sugar dissolves in alcohol? 0.o
Also I don't think flour dissolves in alcohol, nor in water.
I think tasting is the best way for these 4.

ookawaiioo · Answer

I thought it did. This is what ive read from my MCAT prep books.

abb0t · Answer

Sugar molecules are polar! You need to return your MCAT prep book then.

ookawaiioo · Answer

Let me check..... because IM positive my prep book did say that.....