41. Which of the following statement is true?
42. Haematite is an ore of
43. Copper, which is extracted from cuprites, is a / an
44. Which of the following is a carbonate ore of copper?
45. Which of the following are the ores of zinc?
46. The metal extracted from limestone, marble and chalk is
47. A homogeneous solid solution of two or more metals is
48. Extraction of copper is done from copper pyrite which contai small quantity of
49. The alloy in which copper is a component is
50. Copper and tin are components of
MCQ Multiple Choice Questions and Answers on Metals and Non-metals
Metals and Non-metals Question and Answer