Question

"Ingredients of baking powder are corn starch, sodium bicarbonate, calcium hydrogen phosphate and sodium aluminum sulfate." Therefore, baking powder is a:
A.Mixture
B.Molecule
C.Mixture of elements
D.Compound

Answer 1

Hint: We have to know that in baking soda, there are individual components like corn starch, sodium bicarbonate, calcium hydrogen phosphate and sodium aluminum sulfate. These individual components do not react with one other.

Complete step by step answer:
We can classify Matter into two kind’s namely pure substance and mixture.
Pure substance: A single component that has a constant composition, irrespective of the sample size and the sample origin is called a pure substance. We cannot break a pure substance to other pure substances by any physical change.
Example: Water, sugar etc.
We can classify a pure substance into an element and a compound.
Element: A pure substance, which cannot be broken down into smaller substances by a chemical reaction is called an element.
Example: Magnesium ribbon Hydrogen gas, and copper wire etc.
Compound: A pure substance that is formed by combination of two or more elements by chemical process is called a compound. Example: Sodium chloride is a compound as it is formed from elements sodium and chlorine.
Mixture: A mixture consists of more than one substance and the composition of a mixture is dependent on the sample. The separation of mixture into its components can be done by physical changes.
Molecule: Particles which are made up of two or more atoms, which are chemically bonded together, are called molecules.
From the above explanations, we can say that Baking soda is a mixture. In a mixture, the individual substances do not react with each other. Mixture is a substance, which consists of two (or) more components; each substance retains its own properties.

So, the correct answer is Option A .

Note:
We can use Baking powder to raise the volume and lighten the texture of baked goods. We could use baking powder as a dry chemical leavening agent. Baking powder is double acting. Baking powder reacts when mixed with moisture, and again when it is contacted to high temperatures.