WikiCards · Card list · Science cards · Sodium sulfate
Uncommon card · Science
Sodium sulfate, an Uncommon card
Sodium sulfate is the inorganic compound with formula Na2SO4 as well as several related hydrates.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 69
- DEF
- 62
- Power
- 131
- Wikipedia reads a year
- 89,000
Power 131 (ATK + DEF): stronger than 70 % of WikiCards cards.
Sodium sulfate quiz: 3 questions
Three questions on the Sodium sulfate card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
All forms are white solids that are highly ______ in water.
Answer
soluble. All forms are white solids that are highly soluble in water. From the Sodium sulfate article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
2026 All-Ireland Senior Hurling Championship. 2026 All-Ireland Senior Hurling Championship 79 · Correlation 73 · Sodium sulfate 69 · Head 65 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Correlation. Correlation 170,000 · 2026 All-Ireland Senior Hurling Championship 130,000 · Sodium sulfate 89,000 · Blazar 56,000 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.
- All forms are white solids that are highly soluble in water.
- With an annual production of 6 million tonnes, the decahydrate is a major commodity chemical product.
- It is mainly used as a filler in the manufacture of powdered home laundry detergents and in the Kraft process of paper pulping for making highly alkaline sulfides.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Sodium sulfate article was read about 89,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 69 and blocks with 62: each hit it takes is cut by 25 %.
How to get Sodium sulfate
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 Sodium sulfate in the power ranking, all domains together.
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- A. J. P. TaylorUncommon · Science · ATK 80 DEF 51
- Grover Cleveland AlexanderUncommon · Society · ATK 68 DEF 63
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Sodium sulfate (revision), CC BY-SA 4.0. Photo : Kemikungen, Public domain, Wikimedia Commons.



