Mystery Mixture Analysis

If you get a substance liquid or solid take it and try test try to figure it out what it is. When you bring it in have your other 5 buddies help test to see what it is. They should all try different chemicals from the other people. They see should all look at the chemical and physical appearance. My claim is the the mystery mixture was Citric acid, road salt, and baking soda. The reason I thought it was this mixture because of the physical and chemical appearance.

I agree with baking soda road salt and citric acid.The baking soda gives the mixture a powdery texture.The road salt are the little pebbles in the mixture. The citric acid is what make the road salt get smaller. The reason i don’t think it was anything else because, what would