1. Change in temperature
2. Gas given off (bubbles)
3. Color change
4. Salts made
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I'd guess A or D, but my gut says A
Answer:
density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre. ... Density can also be expressed as kilograms per cubic metre (in metre-kilogram-second or SI units).
Explanation:
