Question

select the correct observation when salt samples such as NACL , Kcl ,CACL2 is taken on a metal spatula and heated directly on the flame​

Answer 1

The observation salt such as the $N_{a}Cl-Sodium chloride$.

Explanation:

Flame tests:

• Dip a clean wire loop into a solid sample of the compound being tested

put the loop into the edge of the blue flame from a Bunsen burner

observe and record the flame color produced.

Sodium Chloride-$N_{a} Cl$:

• Sodium chloride imparts a bright yellow-orange color to a flame. A bright yellow-orange color is imparted to the flame by sodium chloride.

• Metal salts introduced into a flame give off light characteristic of the metal.