Correct answer
A. Copper, nickel and zinc
Explanation
The correct answer is Copper, nickel and zinc.
Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively ________ °C?
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butadiene rubber) are________?
Inside the distillation column, the________?
Which of the following can be manufactured using powder metallurgy techniques?
The rate of reaction does not decrease appreciably as the reaction proceeds in case of ________ reactions?
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the ________?