GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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get their masses
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place them in water then observe
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touch them one by one
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none of the above
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Detailed explanation-1: -Baking soda is pure sodium bicarbonate, whereas baking powder also contains an acid, such as cream of tartar, and cornstarch. Baking soda is a raising agent that contains one or more acid ingredients, such as cocoa powder or buttermilk. Baking powder is better for recipes that contain little or no acid ingredients.
Detailed explanation-2: -Baker’s tip: If you wind up with an unlabeled jar of white powder and don’t know if it’s baking soda or powder, use this test: Put a teaspoon of the powder into a tablespoon of water. If it fizzes, it’s baking powder. If it doesn’t, it’s baking soda.
Detailed explanation-3: -Not only can Raman spectroscopy be used to identify unknown white powders rapidly, it can also be used to identify explosives (Figure 3) and other biochemical agents such as anthrax and mustard gas (Figure 4).
Detailed explanation-4: -When baking soda is heated, Sodium bicarbonate, carbon dioxide, and water vapor is formed. The Carbon dioxide, extinguishes a blazing matchstick quickly. The complete reaction is: