Science & Tech

3 questions

• 2021 · Question 71 · Chemistry

  Water can dissolve more substances than any other liquid because

  Choose your answer

  (a)it is dipolar in nature(b)it is a good conductor of heat(c)it has high value of specific heat(d)it is an oxide of hydrogen

  Show answer

  Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

• 2021 · Question 74 · Chemistry

  Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?

  Choose your answer

  (a)Low-density polyethylene(b)Polycarbonate(c)Polyethylene terephthalate(d)Polyvinyl chloride

  Show answer

  Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

• 2021 · Question 75 · Chemistry

  ‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?

  Choose your answer

  (a)Food preservatives(b)Fruit-ripening substances(c)Reused plastic containers(d)Toiletries

  Show answer

  Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)