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प्रश्न
Find the odd one out of the following and explain your choice : Copper, Lead, Zinc, Mercury
उत्तर
Mercury as it is a liquid metal while the rest aresolid.
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संबंधित प्रश्न
Give three ways in which the metal zinc differs from the non-metals carbon. At least one of the differences must be a chemical difference?
State on what special properties the use of each of these metals depends:
aluminium
State the use of:
cast iron
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which does not react with dilute hydrochloric acid.
Name the following:
The rocky impurities present in an ore.
Give reason for the following:
A neutral gas other than oxygen is formed at the anode during electrolysis of fused alumina.
Give composition and uses of the following alloys. Mention the reason for its use.
Solder
The following question refer to the extraction of aluminium and iron from their ores:
What is the major impurity present in iron when it is removed from the furnace?
Name the main constituent metal in the following alloy:
Brass
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
