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SSC CGL Exam  >  SSC CGL Tests  >  Test: Important Facts about Some Metals and Alloys - SSC CGL MCQ

Test: Important Facts about Some Metals and Alloys - SSC CGL MCQ


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10 Questions MCQ Test - Test: Important Facts about Some Metals and Alloys

Test: Important Facts about Some Metals and Alloys for SSC CGL 2024 is part of SSC CGL preparation. The Test: Important Facts about Some Metals and Alloys questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: Important Facts about Some Metals and Alloys MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Important Facts about Some Metals and Alloys below.
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Test: Important Facts about Some Metals and Alloys - Question 1
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What is the characteristic property of alkali metals?

Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 1
Alkali metals are called so because their hydroxides are alkaline in nature. This property distinguishes them from other groups of elements. The alkaline nature is a result of the strong basicity of their hydroxides, which can turn litmus paper blue.
Test: Important Facts about Some Metals and Alloys - Question 2
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Which element is responsible for the green color in fireworks?

Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 2
The green color in fireworks is due to the presence of Barium. Barium compounds are commonly used to produce vibrant green hues in pyrotechnics.
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Test: Important Facts about Some Metals and Alloys - Question 3
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What is the primary use of Calcium Hydride (CaH2)?

Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 3
Calcium Hydride (CaH2) is used as dry alcohol. It is employed in the preparation of fire-proof and waterproof clothes due to its unique properties.
Test: Important Facts about Some Metals and Alloys - Question 4
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Which metal is liquid at room temperature?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 4
Gallium (Ga) is a metal that remains in liquid state at room temperature. This characteristic makes it an interesting element for various applications.
Test: Important Facts about Some Metals and Alloys - Question 5
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What is the primary use of Ferric oxide (Fe2O3)?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 5
Ferric oxide (Fe2O3) is used in the thermite reaction, where it reacts with aluminum to generate intense heat and fill up cracks in railway tracks and machine parts.
Test: Important Facts about Some Metals and Alloys - Question 6
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Which metal is known as 'Quick Silver'?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 6
Mercury (Hg) is commonly known as 'Quick Silver.' It is stored in Iron (Fe) pots because it does not form an amalgam with iron.
Test: Important Facts about Some Metals and Alloys - Question 7
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What is the use of Selenium (Se)?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 7
Selenium (Se) is used in photoelectric cells. Its photoconductivity makes it suitable for converting light energy into electrical energy.
Test: Important Facts about Some Metals and Alloys - Question 8
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Which metal is the heaviest?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 8
Osmium (Os) is the heaviest metal. It is a dense and rare element with various industrial applications.
Test: Important Facts about Some Metals and Alloys - Question 9
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What is the primary use of Platinum (Pt)?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 9
Platinum (Pt) is a hard metal and is used to make artificial parts of the body due to its biocompatibility and resistance to corrosion.
Test: Important Facts about Some Metals and Alloys - Question 10
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Which metal is used in the manufacture of an atom bomb?
Detailed Solution for Test: Important Facts about Some Metals and Alloys - Question 10
Uranium (U) is a heavy radioactive metal belonging to the actinide group and is used in the manufacture of atom bombs. Its ability to undergo nuclear fission makes it a key element in nuclear weapons.
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