WikiCards · Card list · Science cards · Calcium hydroxide
Uncommon card · Science
Calcium hydroxide, an Uncommon card
Calcium hydroxide is an inorganic compound with the chemical formula Ca2.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 67
- DEF
- 58
- Power
- 125
- Wikipedia reads a year
- 190,000
Power 125 (ATK + DEF): stronger than 60 % of WikiCards cards.
Calcium hydroxide quiz: 3 questions
Three questions on the Calcium hydroxide card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Annually, approximately 125 million tons of calcium hydroxide are produced ______.
Answer
worldwide. Annually, approximately 125 million tons of calcium hydroxide are produced worldwide. From the Calcium hydroxide article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Lathe. Lathe 75 · Calcium hydroxide 67 · Marseille Observatory 62 · ODR4 57 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Calcium hydroxide. Calcium hydroxide 190,000 · Welsh dance 3,600 · Marseille Observatory 1,700 · ODR4 56 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is a colorless crystal or white powder and is produced when quicklime is mixed with water.
- Annually, approximately 125 million tons of calcium hydroxide are produced worldwide.
- Calcium hydroxide has many names, including hydrated lime, caustic lime, builders' lime, slaked lime, cal, and pickling lime.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Calcium hydroxide article was read about 190,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 58: each hit it takes is cut by 23 %.
How to get Calcium hydroxide
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Calcium hydroxide in the power ranking, all domains together.
- Drainage basinUncommon · Nature · ATK 67 DEF 58
- SitarRare · Arts · ATK 69 DEF 56
- TroutUncommon · Nature · ATK 68 DEF 56
- Louise PennyUncommon · Arts · ATK 67 DEF 58
- Classical AthensUncommon · History · ATK 70 DEF 55
- LatheUncommon · Science · ATK 75 DEF 50
Card lists
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- All cards from A to ZEvery card, by name
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- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Calcium hydroxide (revision), CC BY-SA 4.0. Photo : Picture taken by w:User:Walkerma in June 2005., Public domain, Wikimedia Commons.

