मराठी

Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?

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प्रश्न

Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?

पर्याय

  • Na

  • Fe

  • Cr

  • Hg

MCQ
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उत्तर

Hg

Explanation - 

Mercury is a metal which has a melting point of −38.83°C. So, at room temperature, it exists in the liquid state.

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पाठ 3: Metals and Non-metals - Multiple Choice Questions [पृष्ठ २१]

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एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
पाठ 3 Metals and Non-metals
Multiple Choice Questions | Q 17. | पृष्ठ २१

संबंधित प्रश्‍न

Write equations for the reactions of iron with steam. 


Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows.

Metal Iron (II) sulphate Cooper (II) sulphate Zinc sulphate Silver nitrate
A No reaction Displacement    
B Displacement   No reaction  
C No reaction No reaction No reaction Displacement
D No reaction No reaction No reaction No reaction

Use the Table above to answer the following questions about metals A, B, C and D.

  1. Which is the most reactive metal?
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  3. Arrange the metals A, B, C and D in the order of decreasing reactivity.

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Na2O  +  H2O →


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(b) K and C
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(b) State whether element E is a metal or a non-metal.
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(b) What is the nature of oxide BO?
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FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)

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Electrical conductivity Yes Yes Yes No
Melting Point High Low Low High

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Find the odd one out:


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