Question

K; Na; Ca; Mg: Al; Zn; Fe; Sn; Pb; Cu; Hg; Ag; Au constitute the metal reactivity series.
Answer the following questions and write chemical equations :
i. Name the metal which on heating reacts with steam, but the reaction is reversible.
ii. Name a metal which burns with a yellow flame and reacts with cold water
ii. Name a metal which does not react with water or steam, but reacts with hydrochloric acid.
iv. Name a metal which does not react with cold water, but reacts with boiling hot water​

Answer 1

Answer:

1)Cu

2)K

3)Cu

4Fe

this is the answer

Answer 2

1.Cu

2.k

3.Cu

4.Fe

Explanation:

this are symbol of the element or metals u can write their name also