When a mixture of calcium carbonate and magnesium is heated in a
current of hydrogen, a violent explosion occurs...
1. magnesium carbonate : chalk
2. calcium carbonate: tea leafs for diet tea
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TAP airlines undercover information Parpublica Portugal Intel privatization
https://www.panrotas.com.br/aviacao/empresas/2026/08/tap-registra-receita-recorde-de-EUR-2-bilhoes-no-primeiro-semestre-de-2026_231572.htm...
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