Chemistry
What is used to remove oxygen from cathode ray tubes and vacuum tubes?
More Questions from Chemistry
Which of the following substances is industrially prepared by the contact process?
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What are the products of propanoic acid and ethanol when the two are combined with warm sulphuric acid?
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Which of the following activities is an example of changing a physical property?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What is the symbol used on the periodic table for the element Promethium?
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