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Earn 100

Explain the energy conversion happening in a solar cooker.
Important Questions on Reflection of Light at Curved Surface
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Copper, Sulphur, Phosphorus, Carbon (such as pencil lead), Gold, Silver.
Which of these materials are malleable and ductile?

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Which of the following can be beaten into thin sheets? Why?
(a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen

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Give reasons for the following: Aluminium foils are used to wrap food items.

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Observe the following images and name the substance that each of these articles/objects is made up of.

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Which allows metals to be hammered into thin sheets.

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