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Quiz about Chemistry 101 Elements and Compounds
Quiz about Chemistry 101 Elements and Compounds

Chemistry 101: Elements and Compounds Quiz


Here is a quiz on chemistry.

A multiple-choice quiz by Ken1260. Estimated time: 3 mins.
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Author
Ken1260
Time
3 mins
Type
Multiple Choice
Quiz #
340
Updated
Dec 03 21
# Qns
10
Difficulty
Average
Avg Score
8 / 10
Plays
17285
Awards
Top 35% Quiz
Last 3 plays: Guest 113 (10/10), Guest 172 (10/10), Rumpo (9/10).
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Question 1 of 10
1. Which of the following gases would you find in a soft drink? Hint


Question 2 of 10
2. What is the chemical symbol for the element mercury? Hint


Question 3 of 10
3. Nitrous oxide is also known as what? Hint


Question 4 of 10
4. Which element is most abundant in the air that we breathe? Hint


Question 5 of 10
5. Which of the following compounds would you most likely drink? Hint


Question 6 of 10
6. Which of the following would you most likely sprinkle on your food? Hint


Question 7 of 10
7. Which of the following is the symbol for gold? Hint


Question 8 of 10
8. Which of the following is ozone? Hint


Question 9 of 10
9. Which of the following is the closest to the atomic weight of hydrogen? Hint


Question 10 of 10
10. Which one of the following is the formula for baking soda? Hint





Most Recent Scores
Mar 27 2024 : Guest 113: 10/10
Mar 27 2024 : Guest 172: 10/10
Mar 26 2024 : Rumpo: 9/10
Mar 25 2024 : Sheep_Dip: 10/10
Mar 24 2024 : Guest 174: 3/10
Mar 23 2024 : 1nn1: 10/10
Mar 23 2024 : Nhoj_too: 10/10
Mar 22 2024 : Brooklyn1447: 9/10
Mar 19 2024 : Guest 12: 6/10

Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. Which of the following gases would you find in a soft drink?

Answer: CO2

CO2 is carbon dioxide which is added to soft drinks to make them fizzy.
2. What is the chemical symbol for the element mercury?

Answer: Hg

Mercury is an unusual element in that it is one of only two elements to occur as a liquid at room temperature (25 degrees C). The other element to fall under this category is bromine.
3. Nitrous oxide is also known as what?

Answer: Laughing gas

Nitrous oxide, formula N2O, used to be used in dentistry as an anaesthetic. Its nickname came from the fact that laughter is a common side-effect of inhaling it.
4. Which element is most abundant in the air that we breathe?

Answer: Nitrogen

The earth's atmosphere is made up of 78% nitrogen, N2. Oxygen is the next most abundant gas in the atmosphere, at over 20%.
5. Which of the following compounds would you most likely drink?

Answer: H2O

H2O is just water. HCl is hydrogen chloride, which when dissolved in water is known as hydrochloric acid; H2SO4 is sulphuric acid and H2O2 is hydrogen peroxide, none of which would be good to drink!
6. Which of the following would you most likely sprinkle on your food?

Answer: KCl

KCl is salt substitute for those people on sodium free diets. NaOH is sodium hydroxide, a strong base that causes burns. HF is hydrofluoric acid and Mg is the element magnesium.
7. Which of the following is the symbol for gold?

Answer: Au

The chemical symbol for the element gold is taken from the Latin word "aurum", which means "gold". Ag is the symbol for the element silver.
8. Which of the following is ozone?

Answer: O3

Ozone is what shields the earth from damaging ultraviolet rays from the sun. Ozone is another form of the element oxygen, whose most stable form is O2.
9. Which of the following is the closest to the atomic weight of hydrogen?

Answer: 1.0079

Hydrogen is the lightest of all the elements and has the atomic number 1.
10. Which one of the following is the formula for baking soda?

Answer: NaHCO3

Baking soda's chemical name is sodium bicarbonate (or sodium hydrogen carbonate). Na2CO3 is sodium carbonate (which is different from baking soda!), NaOH is sodium hydroxide and HCl is hydrogen chloride.
Source: Author Ken1260

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