GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is represented by a chemical symbol
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It is represented by a chemical formula
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It is composed of only one type of element
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It reacts with vinegar to produce gas
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Detailed explanation-1: -Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate), commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO3. It is a salt composed of a sodium cation (Na+) and a bicarbonate anion (HCO3−).
Detailed explanation-2: -sodium bicarbonate (NaHCO3), also called baking soda, bicarbonate of soda, or sodium hydrogen carbonate, white crystalline or powdery solid that is a source of carbon dioxide and so is used as an ingredient in baking powders, in effervescent salts and beverages, and as a constituent of dry-chemical fire extinguishers.
Detailed explanation-3: -Baking soda is a chemical compound having structural formula ( NaHCO3 ) that contains the same composition of constituent particles which are consistent throughout the mixture. Hence, it is a pure substance.
Detailed explanation-4: -Sodium Bicarbonate (NaHCO3) is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread.
Detailed explanation-5: -What is Baking Soda? Baking soda is the common name of sodium bicarbonate. The chemical formula of baking soda is NaHCO3.