Question

pls answer right pls do not delete the question ​

Answer 1

Answer:

1) a)  2Na + 2HCl → 2NaCl + $H_{2}$

 

   b)  Cu + $2AgNO_{3}$  → 2Ag + $Cu(NO_{3})_{2}$

2)  Displacement reaction is a chemical reaction in which a more reactive     element displaces a less reactive element from its compound. Both metals    and non-metals take part in displacement reactions compound.