RRB Technician Grade 3 previous year question
Which of the following is the method used for refining metals such as copper, zinc and silver?
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 3) · Science
Tap an option to check your answer.
Show answer and explanation
Correct answer: (C) Electrolytic refining
Electrolytic refining is the standard method used to purify metals like copper, zinc and silver to a high degree of purity.
हिंदी में प्रश्न
कॉपर, जिंक और सिल्वर जैसी धातुओं का परिष्करण करने के लिए निम्नलिखित में से कौन-सी विधि का उपयोग किया जाता है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) विद्युत अपघटनी परिष्करण (Electrolytic refining)
वैद्युत अपघटनी परिष्करण, कॉपर, जिंक और सिल्वर जैसी धातुओं को उच्च शुद्धता तक परिष्कृत करने की मानक विधि है।
More solved Science questions
- The rough endoplasmic reticulum is associated with:
- Which property do isobars share?
- _______________ is a process in which persistent, non-degradable chemicals become progressively more concentrated at each higher trophic…
- What is formed when the male germ-cell from the pollen grain fuses with the female gamete in flowering plants?
- What specialisation is commonly found in the epidermal cells of plant roots to aid in their primary function?
- The IUPAC name for the first member of the alkyne series is: