3769
Preparation Mercury ( II ) bromide can be manufactured by : adding potassium bromide to a solution of mercuric salt and crystallizing ; by precipitation using a mercury ( II ) nitrate and sodium bromide solution ; by dissolving mercury ( II ) oxide in hydrobromic acid .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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