* Which of the following is NOT a common source of caffeine?
* Which medical name is caffeine known by?
* What item contains more caffeine than the others?
* What chemical in your body does caffeine NOT affect?
* What percentage of Americans consume caffeine daily?
* Caffeine is classified as what kind of drug?
* Root beer is one soft drink that usually doesn't have caffeine. What brand DOES have caffeine in it?
* What is the chemical formula for caffeine?
* What two elements make up water?
* What does water do when flowing downhill?
* What is the appearance of baking soda at STP (Standard Temperature and Pressure)?
* 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?
* This oxide is the main constituent of sand. Quartz, the most abundant mineral in the Earth's crust, is a crystallised form of this oxide. Which oxide is this?
* This non-metallic oxide is essential for the process of photosynthesis, which takes place in organisms that make their own food, and indirectly helps all living things on the Earth get their nutrition. Which oxide is it?
* This gas is more commonly known as 'laughing gas', because of the effect it has when inhaled. It is used for anaesthetic purposes in dentistry, because it was found to lull the sensation of pain, while the victim remained semi-conscious. Which gas is it?
* In the 1860s, this metal was used to produce studio lighting. How? It readily burned in air, forming its oxide, and producing bright white light in the process. Which metal was used?
* Which non-metallic oxide, when dissolved in water, forms sulphuric acid?
* For which of the following ailments might a doctor prescribe sodium bicarbonate pills?
* 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"?
* 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.)