That would be the first option Ca(OH)2 + H2SO4 → CaSO4 + 2H2O.
The Ca replaces the H2 in H2SO4, and the H2 replaces the Ca is Ca(OH)2.
On the periodic table, the elements colored yellow, which generally border the stair -step line , are considered to be metalloids
Answer:
accretion
Explanation:
the coming together and cohesion of matter under the influence of gravitation to form larger bodies.
The least common multiples of 4, 10, and 16 is 80.
The chloride ion /ˈklɔːraɪd/ is the anion (negatively charged ion) Cl−