Gold is alloyed with which metal to make it harder?

Related MCQs

• Which of the following acid is used by goldsmiths for cleaning gold and silver ornaments?
• Which of the following is the symbol of the metal that occurs in liquid form at ordinary temperature?
• An amalgam of metal has which other element?
• A metal, which melts on the palm
• The most abundant metal on the earth is
• A lustrous non-metal is
• What should be added to pure iron to make stainless steel?
• Which gland is not associated with human alimentary canal?
• An enzyme which can only act in acidic medium is
• Which of the following animals has no need for a gall bladder?