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.
Which of the following compounds is composed of Al, Si, O and H? ...
What is the name of the process by which ammonia is produced on an industrial scale? ...
Consider the neutralization reaction represented by the following equation: Na2CO3 + 2HNO 3 → 2...
A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of He exerts a total pressure of 2....
What type of reaction is involved in the formation of alkanols from alkenes? ...
Consider the reaction represented by the following equation: AgNO3 + NaCl → AgC...
What is the atomic number of Silicon? ...
Going down group II in the periodic table normally ...
Which of the following CANNOT be obtained by fractional distillation of petroleum? ...