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Subjects
Science CBSE
Class 10
Metals and non-metals
Textbook based HOTS
37.
Multiple Choice Question Answer XXXVII
Exercise condition:
2
m.
1.
Cinnabar is an ore of -
Lead
Calcium
Mercury
Copper
2.
The constituent of haemoglobin is -
Magnesium
Copper
Sodium
Iron
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