Question : What is used in storage batteries?
Option 1: Copper
Option 2: Tin
Option 3: Lead
Option 4: zinc
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Correct Answer: Lead
Solution : The correct option is Lead.
Lead-acid batteries have a positive electrode of lead dioxide, a negative electrode of sponge lead, and an electrolyte of diluted sulfuric acid solution. During charging and discharging, the chemical processes in a lead-acid battery include the conversion of lead and lead dioxide into lead sulphate and the reverse conversion during discharge.
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Question : Electric fuse is an alloy of
Option 1: Tin and lead
Option 2: Zinc and lead
Option 3: Copper and iron
Option 4: Carbon and tin
Question : Bronze is an alloy of Which of the following?
Option 1: Copper and zinc
Option 2: Tin and Zinc
Option 3: Copper and Tin
Option 4: Iron and Zinc
Question : Bronze is an alloy of
Option 1: Copper and Tin
Option 2: Copper and Zinc
Option 3: Copper and Iron
Option 4: Iron and Nickel
Question : _________gives hardness to stainless steel.
Option 1: Zinc
Option 2: Lead
Option 3: Carbon
Option 4: Tin
Question : German silver is an alloy of
Option 1: Copper, nickel and silver
Option 2: Silver ,copper and aluminium
Option 3: Zinc copper and nickel
Option 4: Zinc silver and copper
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