Question

Ujala and needle testing Chemical names

Answer 1

Needles and ujala are common household items with several uses. Ujala is a well-liked fabric whitener and brightener that is applied to white clothing to erase discoloration and make it appear brighter. Ujala's chemical name is sodium bisulfite.

• On the other hand, the phrase "needle" is too general for referring to a specific item. However, depending on their intended application, needles can be produced from a variety of materials and coated with a variety of chemicals.
• For instance, although sewing needles can be constructed from a number of materials including steel, nickel, or gold and coated with materials such as zinc or nickel, medical needles are often made from stainless steel and coated with silicone or Teflon.

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