+1 vote
ago in Construction & Building Materials by (188k points)
The percentage composition of copper and tin in speculum metal is _________

(a) 33% and 67%

(b) 67% and 33%

(c) 26% and 74%

(d) 74% and 26%

The question was asked by my school teacher while I was bunking the class.

This is a very interesting question from Non-Ferrous Metals and Alloys topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

1 Answer

+1 vote
ago by (1.2m points)
selected ago by
 
Best answer
Right answer is (b) 67% and 33%

For explanation I would say: The percentage composition of copper and tin in speculum metal is 67% and 33% respectively. Speculum metal is silvery in colour and is used in making telescopes.

Related questions

Welcome to TalkJarvis QnA, a question-answer community website for the people by the people. On TalkJarvis QnA you can ask your doubts, curiosity, questions and whatever going in your mind either related to studies or others. Experts and people from different fields will answer.

Categories

...