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प्रश्न
Metals are generally solid. Which of the following metals is in the liquid state at room temperature?
विकल्प
Mercury
Silver
Aluminium
Sodium
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उत्तर
Mercury
Explanation:
Mercury metal is in the liquid state at room temperature.
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संबंधित प्रश्न
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
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Fill in the following blank with suitable word:
Ordinary aluminium strips are not attacked by water because of the presence of a layer of ................. on the surface of aluminium.
What type of oxides are formed when metals combine with oxygen? Explain with the help of an example.
Which non-metal has been placed in the reactivity series of metals?
An element E forms an oxide E2O. An aqueous solution of E2O turns red litmus paper blue.
(a) What is the nature of the oxide E2O?
(b) State whether element E is a metal or a non-metal.
(c) Give one example of an element like E.
Which one among the following is an acidic oxide?
