Question

non-metal? (Hint: Recall the properties of non-metals.)
2. Sample A can displace sample B from its salt solution and sample B can displace
sample C, but sample C cannot displace samples A and B. Find out the names of these
samples and arrange them in the decreasing order of their reactivity. (Hint: Samples A
and B are placed below calcium and above hydrogen in the activity series, whereas sample C is the lease
reactive metal and is placed between mercury and gold.)
nomenon or chemical process shown in the following pictures.​

Answer 1

Answer:

it's a question of Chemistry.