WikiCards · Card list · Science cards · Hydrazine
Rare card · Science
Hydrazine, a Rare card
Hydrazine is an inorganic compound with the chemical formula N2H4.
- Rarity
- Rare
- Domain
- Science
- ATK
- 78
- DEF
- 92
- Power
- 170
- Wikipedia reads a year
- 230,000
Power 170 (ATK + DEF): stronger than 85 % of WikiCards cards.
Hydrazine quiz: 3 questions
Three questions on the Hydrazine card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Hydrazine is highly ______ unless handled in solution as, for example, hydrazine hydrate.
Answer
hazardous. Hydrazine is highly hazardous unless handled in solution as, for example, hydrazine hydrate. From the Hydrazine article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Ozone. Ozone 91 · Cremation 85 · Imperial units 82 · Hydrazine 78 ATK in WikiCards.
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 simple pnictogen hydride, and is a colourless flammable liquid with an ammonia-like odour.
- Hydrazine is highly hazardous unless handled in solution as, for example, hydrazine hydrate.
- Hydrazine is mainly used as a foaming agent in preparing polymer foams, but applications also include its uses as a precursor to pharmaceuticals and agrochemicals, as well as a long-term storable propellant for in-space spacecraft propulsion.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Hydrazine article was read about 230,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 78 and blocks with 92: each hit it takes is cut by 37 %.
How to get Hydrazine
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 Hydrazine in the power ranking, all domains together.
- OzoneRare · Science · ATK 91 DEF 79
- CremationRare · Nature · ATK 85 DEF 85
- Heat pumpRare · Science · ATK 82 DEF 88
- Marshall McLuhanRare · History · ATK 86 DEF 84
- Max BlumenthalRare · Arts · ATK 85 DEF 85
- SuzhouRare · Society · ATK 84 DEF 86
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, Hydrazine (revision), CC BY-SA 4.0. Photo : ChemicalForce, CC BY-SA 4.0, Wikimedia Commons.



