二氧化钛与碳粉混合,在高温的条件下,再通入氯气制的四氯化钛和一种可燃气体的方程式为___?该反应的还原剂是在氩气的气流中，高温下过量的镁跟四氯化钛制的金属钛，反应方程式为：_________。从上述反应后的混合物中分离出金属钛，写简要的步骤_________。请给点建议

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• 二氧化钛与碳粉混合,在高温的条件下,再通入氯气制的四氯化钛和一种可燃气体的方程式为___?该反应的还原剂是在氩气的气流中，高温下过量的镁跟四氯化钛制的金属钛，反应方程式为：_________。从上述反应后的混合物中分离出金属钛，写简要的步骤_________。请给点建议
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