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प्रश्न
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
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उत्तर
Copper carbonate (CuCO3)
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संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
Give a reason for the following:
Alkali metals are good reducing agents.
State one use of the following metal:
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State one use of the following metal:
Silver
State one use of the following metal:
Gold
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Mention two uses of the following metals and non-metals
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Give reasons
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Tick (√) the most appropriate answer.
Graphite is used :
Why is hydrogen placed with alkali metals?
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
What is it made from? Why?
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Complete the following flow chart.

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What is ductility?
The ability of metals to be drawn into thin wire is known as
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Compare the conductivity of metals and non–metals.
