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प्रश्न
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
उत्तर
Both statements are false.
Correct statement:
- Mercury is liquid at room temperature.
- Mercury is a metal.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
Tick (√) the most appropriate answer.
Graphite is used :
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State two important uses of following metal
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(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
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A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
The liquid metal at room temperature ______.
