ASMP 1 PATTERN DEVELOPMENTS - Practice Mode

1) What is the colour of copper?
Correct Answer: Reddish brown
2) How many principle ores are there in copper?
Correct Answer: Five
3) Which metal consists of copper as main alloy?
Correct Answer: Brass
4) Which alloy steel is used for pendulum of clocks having low coefficient of thermal expansion?
Correct Answer: Nickel steel
5) What is the main alloy of stainless steel?
Correct Answer: Chromium
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