উর্ধ্বপাতিত পদার্থ-
i. NH4CI, AICI3
ii. C10H16O, C10H8
iii. CO₂(s), I2
নিচের কোনটি সঠিক?

Created: 4 months ago | Updated: 2 months ago

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Created: 4 months ago | Updated: 2 months ago