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प्रश्न
Name the following:
The chief metal which occur in nature in free state as well as in combined state.
एक शब्द/वाक्यांश उत्तर
उत्तर
Copper and silver.
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संबंधित प्रश्न
Also give the names of their repective ores ?
State the use of:
cast iron
Name an alloy of zinc used in naval ships.
State amalgam use with an example.
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which arranges the above metals in the decreasing order of reactivity.
Name the following:
The rocky impurities present in an ore.
Define the term : Mineral
Explain the following:
Aluminium is extensively used for making aircraft parts.
What is added to steel to make it stainless steel?
Name the following :
An ore of zinc containing its sulphide.
