Andrey Solovyev

Rated 4.51(1,832) — Andrey Solovyev

Learn names and formulas of all important inorganic acids, polyatomic ions and their salts. An app is suitable for everyone: from high school students to chemistry professors.Take an inorganic chemistry quiz:* 70+ inorganic acids: from Sulfuric acid...

Rated 4.30(1,023) — Andrey Solovyev

Begin - began - begun...The app contains all important English irregular verbs (more than 200 verbs overall) and their conjugation. Please choose the learning method that suits you the best.* Learn by spelling three verb forms: an infinitive, a past...

Rated 4.69(85) — Andrey Solovyev

Learn all 31 States of Mexico + Federal District: from Baja California Sur to Yucatan* names* locations on the map of Mexico* capitals* Mexican flagsThis app is translated into English and Spanish.

Rated 4.37(71) — Andrey Solovyev

Learn all 12 Provinces of the Netherlands (from Friesland to Zeeland) and 3 Public bodies in the Caribbean Netherlands (Bonaire, Sint Eustatius, and Saba): From North Holland to Groningen and Utrecht.* names* maps* capitals* Dutch flags* coats of armsChoo

Rated 4.15(1,241) — Andrey Solovyev

Check your knowledge of the Russian and Soviet history! This app has portraits and additional info about 28 most important Russian leaders. Tsars, Emperors and Presidents of Russia, Leaders of Soviet Union (USSR): Peter the Great and Joseph Stalin, Ivan..

Rated 4.38(165) — Andrey Solovyev

Steroids are an important class of natural products with various biological functions: steroidal hormones (estradiol, testosterone), vitamins (vitamin D3), lipids (cholesterol). This app is designed for chemistry, biochemistry, and pharmacy students...

Rated 4.65(23) — Andrey Solovyev

* Do you know that .ly is the Lybian domain address or that .tv belongs to Tuvalu - a tiny island country in Oceania? * Learn and check your knowledge about top-level domains. * More than 200 top-level domain names: .com, .edu, .us, and others.

Rated 4.46(248) — Andrey Solovyev

All 44 US Presidents in one app including president-elect Donald Trump who will be serving as the 45th President (Grover Cleveland served two non-consecutive terms as the 22nd and 24th President).Can you guess George Washington and Abraham Lincoln? Do...

Rated 4.12(1,659) — Andrey Solovyev

Learn all 20 regions of Italy and their capitals: from Piedmont to Sicily, from Lombardy to Sardinia:* names* maps* capitals* Italian flagsChoose the game mode: * Spelling quizzes (easy and hard)* Multiple-choice questions* Time game (give as many answers

Rated 4.31(3,774) — Andrey Solovyev

Guess all 197 independent countries of all continents by their outline maps: from Europe and Asia to Africa and America.The maps are divided into two levels:1) well-known countries (Level 1)2) exotic countries (Level 2).The third option is to play with...

Rated 4.26(98) — Andrey Solovyev

Guess all 59 US National Parks either by its photo or on the map.Yosemite, Grand Canyon, Yellowstone, and 56 more parks!Demonstrate your knowledge of the American wilderness and prepare for the new adventures!Choose the game mode: * Spelling quizzes...

Rated 4.21(3,819) — Andrey Solovyev

Learn all 81 provinces of Turkey: from Istanbul and Ankara to Erzurum and Van.There are 4 different quiz modes about:* names of all Turkish provinces;* their location on the map of Turkey;* two-digit province numbers (license plate codes).Become an expert

Rated 4.56(870) — Andrey Solovyev

Learn names, locations on the map, capitals and coats of arms of all federal subjects (regions) of Russia (there are 85 subjects according to the Russian Constitution: 46 oblasts, 22 republics, 9 krais, 4 autonomous okrugs, 3 federal cities, and 1 autonom

Rated 4.11(1,171) — Andrey Solovyev

Learn all 26 cantons of Switzerland - from Zürich and Basel-Stadt to Geneva and Lucerne:* names of Swiss cantons* maps* capitals* coats of arms / flagsChoose the game mode: * Spelling quizzes (easy and hard)* Multiple-choice questions* Time game (give...

Rated 4.65(37) — Andrey Solovyev

This app presents beautiful pictures of the largest US cities: from Philadelphia to San Diego, from Miami to Seattle! Do you remember in what city is the Gateway Arch is situated?The more challenging game is about state capitol buildings (including Washin