engineering recuitment NPCIL Plant Operator Mock Test General Science Chemistry

21 ಗ್ರಾಂ MgC03 ನಲ್ಲಿ _______ ಮೋಲ್ ಮೆಗ್ನೀಸಿಯಮ್ ಹೊಂದಿರುತ್ತದೆ.

1

0.31

2

0.21

3

0.25

4

0.51

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