Phosphate because it's the closest to sulfur on the periodic 2
use a strong base to neutralize, like NaOH, KOH, etc
Answer:sample 3
Explanation:because if only have one kind of substance which makes it pure
It's made up of two different metals bonded together, which expand by different amounts as they heat up. As the temperature changes, the bimetallic strip curves more or less tightly (contracts or expands) and the pointer, attached to it, moves up or down the scale.
