Do you read labels and keep up with chemistry as it ...



Do you read labels and keep up with chemistry as it affects your daily life? Here's a ten question quiz you can take to test your knowledge. Are you ready? Have fun![pic]

1. Two household chemicals you should never mix include:

[pic]Vinegar and baking soda. Those bubbles could be toxic!

[pic]Bleach and water. Diluting bleach only makes it more dangerous.

[pic]Oil and water. They don't mix and aren't meant to!

[pic]Bleach and ammonia. Chloramine vapors can be deadly!

Answer D

[pic]2. The sweat-blocking ingredient in antiperspirant is often:

[pic]An aluminum compound.

[pic]A calcium compound.

[pic]A magnesium compound.

[pic]A tin or stannous compound.

Answer A

[pic]3. The acid in most car batteries, sometimes known as 'Oil of Vitriol', is:

[pic]Acetic acid.

[pic]Hydrochloric acid.

[pic]Nitric acid.

[pic]Sulfuric acid.

Answer D

[pic]4. One important source of Vitamin C is citrus fruit. Vitamin C is:

[pic]Ascorbic acid.

[pic]Citric acid.

[pic]Salicylic acid.

[pic]Tricarboxylic acid.

Answer A

[pic]5. Soft drinks may contain many different acids. The acid that produces fizz or bubbles is:

[pic]Ascorbic acid.

[pic]Carbonic acid.

[pic]Citric acid.

[pic]Phosphoric acid.

Answer B

[pic]6. If you are making soaps and detergents from scratch, one of your starting ingredients will be:

[pic]Potassium hydroxide.

[pic]Sodium hydroxide.

[pic]Sodium chloride.

[pic]Calcium carbonate.

Answer B

[pic]7. The chemical known as thimerosol has been used to preserve saline solutions and vaccines. Thimerosol contains which metal?

[pic]Iron

[pic]Cadmium

[pic]Mercury

[pic]Silver

Answer C

[pic]8. BHA and BHT are two chemicals commonly used as preservatives in food. What do they preserve?

[pic]They keep sugars from degrading.

[pic]They are used to keep fats from turning rancid.

[pic]They are used to preserve the colors of foods so they remain appetizing.

[pic]They prevent artificial sweeteners from decomposing and tasting yucky.

Answer B

9. All of these chemicals are sweeteners. Which one is not artificial? (hint: more names doesn't mean more natural)

[pic]Acesulfame potassium (Ace-K)

[pic]Aspartame (Equal, Nutrasweet)

[pic]Fructose

[pic]Saccharin (Saccharine, Sweet and Low)

[pic]Sucralose (Splenda)

Answer C

[pic]10. Chocolate and cocoa naturally contain relatively high levels of which two metals?

[pic]Cadmium and lead.

[pic]Aluminum and iron.

[pic]Cadmium and mercury.

[pic]Lead and cobalt.

Answer A

Do you know about the chemicals you find in your bathroom and the biochemistry of excretion? Here's your chance to test your knowledge. These questions are challenging! Can you answer all of the multiple choice questions correctly?

11. You get up in the morning and the first thing you need to do is use the facilities. Humans excrete most nitrogen-based wastes in urine using which molecule?

[pic]Ammonia

[pic]Creatinine

[pic]Urea

[pic]Uric Acid

Answer C

12. Urine tends to have a yellow/amber color. All of the following are names for a yellow pigment found in urine except:

[pic]Hematoidin

[pic]Hydrobilirubin

[pic]Urochrome

[pic]Urohaematin

Answer A

[pic]13. While we're on the topic of excretion, do you know what pigment is most directly responsible for the brown color of feces?

[pic]Bilirubin

[pic]Biliverdin

[pic]Hemoglobin

[pic]Myoglobin

Answer A

[pic]14. Time for toilet paper... it's made from paper, which comes from the cellulose in trees. Cellulose is polymer of which sugar?

[pic]Galactose

[pic]Glucose

[pic]Saccharose

[pic]Sucrose

Answer B

[pic]15. You studied too hard last night (maybe partied?). Oh, your aching head! You open your medicine cabinet to get some aspirin. What is another name for this drug?

[pic]Acetominophen

[pic]Acetylsalicylic acid

[pic]Ibuprofen

[pic]Naproxen

Answer B

16. You want some water to wash down the aspirin. If no one has used the faucet for a while, you may want to let it run for several seconds before drinking to:

[pic]Purge copper from the plumbing/fixture

[pic]Purge iron from the plumbing/fixture

[pic]Purge lead from the plumbing/fixture

[pic]Purge sodium from the plumbing/fixture

Answer C

[pic]17. While you are drinking your water, you notice a dark brown ring around the sink drain. You can't easily wipe it away, so it is probably:

[pic]Copper sulfate from copper in the plumbing

[pic]Iron oxide from the plumbing

[pic]Magnesium oxide from the water softener

[pic]Sodium chloride from the water softener

Answer B

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