AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(C) Solder
An alloy of lead and tin used for welding electrical wires is called Solder.
Solder is a well-known alloy of lead and tin with a low melting point, making it ideal for joining electrical wires. Brass is copper + zinc; Bronze is copper + tin; Steel is iron + carbon. For MCQs, eliminate the wrong options by recalling alloy compositions.