Multiple choice

Which of the following statements is/are false? A. Copper is used for making wires used in electrical industry and for water and steam pipes. B. German silver contains Cu 50-60% and Ni 40–50%. C. Zinc dust is used as a reducing agent in the manufacture of dye-stuffs, paints, etc. and in several organic and inorganic synthesis reactions.

  1. Only A

  2. Only B

  3. Only C

  4. Only A and B

  5. Only B and C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A. Copper has very good anticorrosive property and is used for making wires used in electrical industry and for water and steam pipes. B. German silver contains Cu 25-30%, Zn 25-30% and Ni 40–50%. C. Zinc dust is used as a reducing agent in the manufacture of dye-stuffs, paints, etc., and in several organic and inorganic synthesis reactions.

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