railway RRB Technician Grade 3 Mock Test 2024 General Science Chemistry Basic Concepts of Chemistry

एका द्रावणामध्ये A, B आणि C हे तीन घटक, प्रत्येकी 0.2 ग्रॅमरेणु (mole) आहेत, तर त्यांच्या ग्रॅमरेणु अंशांची बेरीज काढा:

1
0.2
2
0.6
3
1
4
3
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