haileyvaldiviez5208
27.10.2020 •
Chemistry
1.Which of the following demonstrate s a chemical reaction?
a. Boiling water
b. Lighting incense sticks
c. Melting ice cubes
d. Subliming mothballs
2.which following is a chemical reaction
a. salt dissolved in water
b. Food spoilage
c. crystallization of fish sauce
d. Melting ice cream
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Ответ:
I’m not sure about first one tho :(
Ответ:
Sodium carbonate solution is a strong alkali often found in powder form while soap solution when mix with oil is a solution that mixes together because the hydrophilic around the oil break into smaller droplets