defence exam SSB Head Constable (Communication) 2023 Mock Test General Science Chemistry Hydrocarbons

कक्ष तापमानाला कॅल्शियम कार्बाइडमध्ये पाणी मिसळल्यावर कोणता वायू उत्सर्जित होतो?

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हायड्रोजन
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अ‍ॅसिटिलीन
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अ‍ॅलेन
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