Packaged cake mixes usually contain baking powder, a mixture of sodium hydrogen carbonate and calcium hydrogen phosphate that react to produce carbon dioxide gas when they come into contact with water. Many such mixes have special instructions for use at high altitudes. Why?

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The Answer of Packaged cake mixes usually contain baking powder, a mixture of sodium hydrogen carbonate and calcium hydrogen phosphate that react to produce carbon dioxide gas when they come into contact with water. Many such mixes have special instructions for use at high altitudes. Why?

Packaged Cake Mixes Usually Contain Baking Powder, a Mixture of Sodium