PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoYou 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?
With a hammer, may be beaten into thin sheets without breaking. cannot be beaten into thin sheets with a hammer. When are hammered, they break. are not malleable, whereas are. When a battery, bulb, wires, and switch are used to connect in a circuit, current flows across the circuit and the bulb glows. When are connected, the bulb does not light up at all. are good conductors of electricity.
b. Assess the usefulness of these tests in distinguishing between metals and non-metals.
Metals can be cast into sheets due to their . Metals are good electrical conductors; thus, they can be used in electrical wires.
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