The soft solder used for welding and plumbing is alloy of...
The soft solder used for welding and plumbing is alloy of
lead and tin
iron and tin
lead and zinc
iron and zinc
Correct answer is A
No explanation has been provided for this answer.
What is the pH of 0.001 mol dm-3 solution of sodium hydroxide ...
Which of the following are isomers? ...
Which of the following is a solvent for perfumes? ...
In a saturated solution at a given temperature, the undissolved solutes are in equilibrium with ...
The component of an atom that contributes least to its mass is the ...
In the process of silver-plating a metal M, the metal M is the? ...
Which of these metals, Mg, Fe, Pb and Cu will dissolve in dilute HCI? ...