With a pH of 2, it's very acidic and far from a neutral pH and basic. I would say chemical as my answer.
Answer: it gets inside the air and then it infects the air's resourses
Explanation:
2 Na + 2 H2O → 2 NaOH + H2 (balanced equation)
The answer would be 2, since 2 in the coefficient of both Na and NaOH
Answer:
I think its iron(II) oxide
Explanation:
The substance is black but when it's mixed with water it turns green solution so when mixed with sodium Hydroxide it turns green
Answer:
law of conservation of mass
Explanation:
self explanatory