1. NDA-II
  2. NDA-II-2017
  3. Q: 52 (NDA-II/2017)

Q: 52 (NDA-II/2017)

Submitted by examrobotsa on Thu, 01/01/1970 - 05:30

Which of the following statements about magnetite ore of iron is/are correct ?
1. It is known as black ore.
2. It contains 60% to 70% of pure iron.
3. It possesses magnetic properties.
Select the correct answer using the codes given below ;
stats: 
0,8,8,0,0,8,8
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