Question

The non-metal used to make vulcanized rubber is -

• A. sulphur.
• B. carbon.
• C. phosphorous.
• D. iodine.

Answer 1

The correct option is A

sulphur.

The explanation for the correct option -

• Natural rubber is weak, less elastic, and becomes sticky to the action of heat.
• To enhance the properties of rubber, it is vulcanized.
• The process of treating rubber with sulphur to improve elasticity and strength or to harden it is called vulcanization of rubber.

The explanation for the incorrect options -

• Option B is incorrect Carbon is used in the fuels, food, books, clothes, etc industries.
• Option C is incorrect because Phosphorus is generally found in an allotropic form in red, yellow, white, and black color. It has its major use in manufacturing fertilizers, poisons, and fireworks.
• Option D is incorrect because due to its antiseptic and disinfectant nature Iodine has its major use in pharmaceutical industries.

Hence, Option A is the correct answer.