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A metal and a non-metal that exists in liquid state at the room temperature are respectively :
Pick the statement which is correct about the non-metal.
Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat. (iv) is a poor conductor of heat.
You are given a hammer, a battery, a bulb, wires and a switch. (a) How could you use them to distinguish between samples of metals and non-metals? (b) Assess the usefulness of these tests in distinguishing between metals and non-metals.
Assertion: Metals are good conductors of heat. Reason (R): Silver and Copper are poor conductors of heat.
What do you came to know about metals in this experiment?
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