Home » General Knowledge » General Science

Minerals and elements: Radium is obtained from which ore/mineral? Recall its historical extraction source alongside uranium. Choose the correct mineral.

Q: Minerals and elements: Radium is obtained from which ore/mineral? Recall its historical extraction source alongside uranium. Choose the correct mineral.

Given data Element: Radium (Ra). Concept/Approach Radium occurs as a trace decay product in uranium ores, especially pitchblende (uraninite). Curie's original isolation was from pitchblende residues. Final Answer Pitchblende (uraninite)

Difficulty: Easy

Pitchblende (uraninite)
Rutile
Haematite
Limestone

Correct Answer: Pitchblende (uraninite)

Explanation:

Given data

Element: Radium (Ra).

Concept/Approach
Radium occurs as a trace decay product in uranium ores, especially pitchblende (uraninite). Curie's original isolation was from pitchblende residues.

Final Answer
Pitchblende (uraninite)

← Previous Question Next Question→

More Questions from General Science

Alloys (copper-based): Which metals constitute gunmetal (traditional composition)? Think of the bronze used historically for guns/valves/bearings. Choose the correct ingredient set.
Definitions (alloys): What are amalgams? Base your answer on alloy composition and a distinctive liquid component. Choose the correct definition.
Petroleum products (LPG composition): What are the main constituent gases of Liquefied Petroleum Gas used for cooking and heating? LPG is a mixture of low–molecular-weight hydrocarbons stored as a liquid under moderate pressure. Choose the correct principal composition.
Water purification chemistry: Why is potassium permanganate (KMnO4) used in treating/purifying drinking water? Focus on its chemical action on microbes and organic contaminants during disinfection. Choose the correct reason.
Environmental pollution (urban air): Which metal is a major pollutant in the air of large cities? Consider historical vehicular emissions and legacy contamination from fuels and industry. Choose the correct metal.
Biominerals (pearls): What are the principal constituents of natural pearls? Identify the mineral phase and the organic matrix secreted by molluscs. Choose the correct pair.
Metals (coinage group): Which of the following pairs does not contain any coinage metal? Coinage metals are Cu, Ag and Au in Group 11 of the periodic table. Choose the pair with zero coinage metals.
Periodic table (f-block): The actinide series comprises elements with which atomic-number range? Identify the standard range used in chemistry for actinides. Choose the correct range.
Physical properties: Which of the following metals is liquid under normal room conditions? Consider ambient temperature and standard pressure. Choose the correct metal.
Alloys (bell metal): Bell metal is an alloy of which two metals? Identify the traditional composition used for bells with sonorous tone. Choose the correct alloy pair.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion