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UPSC Prelims 2003Question 42Science & Technology

Consider the following statements: The purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is 1. To keep the washing powder dry 2. To maintain the alkalinity of the powder Which of these statements is/are correct?

Options

  1. (a)Only 1
  2. (b)Only 2
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2

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