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bosnia and herzegovina botswana brazil british virgin islands brunei bulgaria burkina faso burundi cambodia cameroon canada cape verde cayman islands central african republic chad chile china colombia comoros cook islands costa rica côte d'ivoire croatia cuba cyprus czech republic democratic republic of...
bosnia and herzegovina botswana brazil british virgin islands brunei bulgaria burkina faso burundi cambodia cameroon canada cape verde cayman islands central african republic chad chile china colombia comoros cook islands costa rica côte d'ivoire croatia cuba cyprus czech republic democratic republic of...
of sodium and calcium hydroxides. this technique is also used in refining processes such as the purification of bauxite (figures ). figure sodium hydroxide is used in the purification of the ore, bauxite , prior to it being used to make aluminium. this picture shows purified bauxite being unloaded from...
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