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Question

Which of the following statements is correct?
 


Correct Answer
A
Copper is widely used by the electrical industry.
 
Your Answer
B
Haematite has the highest iron content.
 
Your Answer
C
Magnetite is used most commonly because of its abundance. 
 
Your Answer
D
The USA is the largest producer of manganese.
 

Solution

The correct option is A Copper is widely used by the electrical industry.
 
Russia is the largest producer of manganese. Copper is a good conductor of electricity. It is used to make electrical wires. Magnetite has the highest iron content, but haematite is more commonly used because it is mostly found in abundance. 
 

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