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Specific Chemicals and Compounds
"Baking soda- sodium hydrogencarbonate (commonly referred to as sodium bicarbonate)- is an indispensable ingredient in most baked goods which we consume; see how much you know about this compound."
15 Points Per Correct Answer - No time limit
Baking soda is commercially manufactured on a large scale by the ammonia-soda Solvay process, named after Ernest Solvay, a Belgian industrial chemist. Which substances are the two main inputs (raw materials) in this process?
Rochelle salt (sodium potassium tartrate) and ethyl alcohol
Washing soda (sodium carbonate decahydrate) and hydrochloric acid
Common salt (sodium chloride) and limestone (calcium carbonate)
Cream of tartar (potassium tartrate) and calcium oxalate
What is the appearance of baking soda at STP (Standard Temperature and Pressure)?
Gaseous, brown fumes
Which gas is evolved when baking soda is added to a moderately strong acid?
(Two words- it turns lime water milky)
The first aerated drinks were prepared by adding baking soda to lemonade (the juice of lemons + water + sugar). Which component of lemon-juice would the baking soda react with to produce the "fizz"?
Is baking soda acidic, basic or neutral in nature?
A baker once forgot to add baking powder (which contains baking soda) to a cake he was baking. How would his cake turn out?
It would as a whole cook too fast and the edges would get burnt
It would taste like anhydrous sodium chloride crystals
It would be comparatively hard and small
It would be semi-liquid except around the edges (it would not be uniformly heated)
Mr. Natrium wanted to bake a cake for his wife (who was a professor of chemistry) on the occasion of their 11th wedding anniversary. Realising that the ingredient "baking powder" was required for his recipe, he looked around the house for it, but to no avail. Browsing through the shelves of his wife's mini-laboratory, he found a near-empty bottle labelled "Baking Soda", and emptied its contents into the cake-mixture. What would his cake be like?
It would get burnt quickly
It would explode
It would taste bitter
It would never solidify completely
In the form of which mineral does sodium bicarbonate occur naturally? (A hint: its name is derived from the chemical formula of baking soda- NaHCO3.)
One type of fire-extinguisher is the "soda acid" type, which contains a solution of sodium bicarbonate and a flask of sulphuric acid. When the flask is broken, acid reacts with sodium bicarbonate to produce a stream of frothy water. Which gas is contained in this water?
Sulphuric acid (mist)
For which of the following ailments might a doctor prescribe sodium bicarbonate pills?
Rheumatoid arthritis and/or aching joints
Excessive acidity in the stomach
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Compiled Oct 01 12