chemical equations

Question 1

metal + acid —> ……….
add an example

Answer 1

metal + acid —> salt + hydrogen

magnesium + hydrochloric acid (hydrogen chloride) —> magnesium chloride + hydrogen

Mg (s) + 2HCl (aq) —> MgCl₂ (aq) + H₂ (g)

Question 2

metal + water —> ……….
add an example

Answer 2

metal + water —> metal hydroxide (alkali) + hydrogen

sodium + water (hydrogen hydroxide) —> sodium hydroxide + hydrogen

Na (s) + H₂O (l) —> NaOH (aq) + H₂ (g)