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Metal and Its Compounds MCQ question and answer with solution | Chemistry Gk MCQs

Learn Metal and Its Compounds MCQ Questions and answers with easy and logical explanations in Chemistry Gk . Metal and Its Compounds MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-8 section-3

Each section contains 100 MCQs on Metal and Its Compounds .
71
The metal reacts with steam of to form oxides is . . . . . . . .
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Answer & Solution
Answer: Option D
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72
The chemical name of limestone is
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Answer: Option A
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73
Aluminium metal is only extracted by the following:
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Answer: Option D
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74
Mercury is basically used in thermometer devices because its especiality is
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Answer: Option C
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75
Tin layer is applied to food utensils, not zinc.
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Answer: Option C
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76
Which of the following gases is released when hydrochloric acid is mixed with sodiumbicarbonate?
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Answer: Option B
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77
Which one of the following is the hardest metal?
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Answer & Solution
Answer: Option D
Solution:
Tungsten is the hardest metal among the given options.

It has the highest melting point (about 3422°C) of all pure metals.

Its hardness and ability to withstand high temperatures make it widely used in the production of electrical filaments, cutting tools, and rocket engine nozzles.

Gold is a soft metal, Iron is relatively strong but not the hardest, and Platinum is dense and corrosion-resistant but not as hard as Tungsten.

Therefore, the hardest metal is Tungsten.
78
Name the metal that can be easily cut with a knife:
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Answer: Option A
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79
Which of the following metals is required to be kept in oil?
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Answer: Option B
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80
Which are the materials generally employed as solder in soldering operation in electronics?
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Answer: Option B
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