Examlex
When a sample of an unknown metal is dropped into 1 M H+(aq)under standard conditions,bubbles are observed.The unknown metal could be silver.
Yom Kippur War
A conflict fought in 1973 between Israel and a coalition of Arab states led by Egypt and Syria, occurring during the Jewish holy day of Yom Kippur.
Oil Crisis
A period marked by a significant increase in oil prices and a decrease in supply, leading to economic and political tensions globally.
United States
A country in North America consisting of 50 states and a federal district, known for its large size, diverse population, and influence in global affairs.
Europe
A continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere, known for its diverse cultures, languages, and histories.
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