Question

sodium catches fire easily and chlorine is a harmful gas but sodium chloride is indispensable in our daily meal give reason​

Answer 1

sodium is a metal with a cation ( positive ion)

chlorine is a nonmetal with a anion (negative ion )

whereas sodium chloride is an ionic compound .

it is a dilute particle ( salt ) because the ions get balanced

Answer 2

Sodium is a highly receptive metal that is combustible.

NaCl

• Sodium is a profoundly receptive metal that is combustible. It can touch off with a flash at 239 degrees Fahrenheit or 115 degrees Celsius.

• Little bits of sodium are consumed in the air with a frequently minimal excess of orange sparkle. Involving bigger measures of sodium or consuming it in oxygen gives areas of strength for a fire. You get a white strong combination of sodium oxide and sodium peroxide.

• In any case, it's not receptive or inflammable in that frame of mind of NaCl.Sodium and chloride assume a significant part in your small digestive tract.
• Sodium assists your body with absorbing Chloride, when it's as hydrochloric corrosive (hydrogen and chloride) is likewise a part of gastric juice. It helps your body digest and retains the supplements.

(spj3)