Test acids and memorize their codes
Learn the 20 naturally-occurring acids through flashcards. View structured information tables or take quizzes to test knowledge. See structures, names, and codes. Use a simple interface with chalkboard-style visuals for easy study.
Showing 121–140 of 1,000 ranked alternatives.
SPOTTERLOOK INC
Study DMV manual, practice tests, pass exam
Study for the Driver Knowledge with flashcards, a question list, and practice tests. Review topics from the Manual. Take quizzes to knowledge. Download and use offline on iOS devices.
Debbrata Das
Practice math, read, and test your skills
Practice math, reading, and mechanical comprehension with interactive lessons and homework problems. Take practice tests and a final exam. Use flashcards and a prediction test for ASTB preparation.
Aviation Supplies and Academics, Inc.
Study FAA exam questions and answers
Prepare for the FAA Knowledge Exam with flashcards covering questions, answers, and explanations. Study by subject or take practice tests. Track progress and review material for exam readiness.
Linh Nguyen
Learn characters with AI-powered flashcards
Learn characters through vivid images and stories. Use spaced repetition with HSK-level flashcards and quizzes. Practice handwriting with stroke order animations. Correct grammar and pronunciation errors. Search words by English, , or pinyin.
Ernest Thomason
Study with and track progress
Create and organize for studying. Use Leitner or Spaced Repetition modes to review cards. Track progress and adjust study sessions. Export cards to text files. Share with others.
Vladimir Bayatov
Learn with flashcards and examples
Learn through flashcards with examples, images, and audio pronunciation. Practice by matching to sentences. Test knowledge with quizzes and review progress over time.
Poimena
Memorize verses with flashcards and games
Memorize verses using flashcards with spaced repetition. Play games. Listen to audio verses. Share progress with others. Track learning progress with built-in tools.
SPOTTERLOOK INC
Study driver questions and pass on first
Study for the Driver Knowledge with flashcards, question lists, and practice exams. Review topics, track progress, and take quizzes without an internet connection. Export study notes and access the manual for reference.
MD. USE INNOVATIONS SL
Explore nanoscale structures and materials
Explore nanoscale materials and structures. Learn about nanotubes and their properties. Study molecular and atomic level structures. Access interactive diagrams and scientific data. Perform virtual experiments and analyze material behavior.
Kazuto Takada
Learn by dragging and dropping regions
Learn geography through drag-and-drop map quizzes. Identify by matching regions to their names. Track progress with previous five records per country.
Linh Nguyen
Korean with interactive lessons
Korean with structured lessons covering Hangeul, vocabulary, grammar, and real-life topics. Practice speaking with AI-powered conversation exercises. Track progress and review vocabulary flashcards.
Carolina Biological Supply
Formulas and track progress
Naming and writing formulas for ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Choose between -to-name or name-to- exercises. Track progress and repeat exercises for reinforcement.
Jernung, LLC
Learn words through space-themed games
Learn vocabulary through space-themed games and interactive flashcards. Practice words with text, audio, and visual icons. Explore categories like numbers and daily topics. Track progress and review words for reinforcement.
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