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кальцийн карбид авах, учир нь кальци тохиромжтой биш юм, түүний исэл. өндөр температурт (2000-аас 2300 хүртэл ° C) нь сэргээх юм. металл, нүүрстөрөгчийн холбогдсон байна: CaO + 3В → CO ↑ + CaC2. үйл явц, цахилгаан нуман зууханд явагддаг, үүгээр нь улайсгасан хольц хурдан шохой болон кокс болон антрацит.
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Samsung Galaxy S20 FE 8GB/128GB ROM Dual-SIM 4G. ₦ 265,000. -13%. Apple iPhone 13 Single Sim 128GB ROM 4GB RAM 6.1″ iOS 15 Pink. ₦ 520,000 ₦ 455,000. Samsung Galaxy A03s 3GB Ram 32GB Rom Dual SIM 4G LTE – Blue. ₦ 64,000. Samsung Galaxy Tab S7 FE – 12.4″ (4GB RAM, 64GB ROM) Android 11 LTE – Mystic Black. ₦ 295,000.
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шохойн чулуу нь цэвэр кальцийн карбоны процесс. The Tokyo Rinkai Disaster Prevention Park. In the event of a large-scale disaster, such as an earthquake centered below Tokyo, The Tokyo Rinkai Disaster Prevention Park acts as a central base of operations for disaster prevention in the Tokyo Metropolitan Area that houses emergency response facilities ...
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