Indian Navy INET Metals and Non-metals — practice questions
7 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Indian Navy INET Metals and Non-metals in the app →Aqua regia, which can dissolve gold and platinum, is a freshly prepared mixture of:The process of coating iron with a thin layer of zinc to prevent rusting is called:The thermit reaction, used to join railway tracks, involves the reaction of iron(III) oxide with:Which metal is liquid at room temperature?Highly reactive metals like sodium and aluminium are extracted from their ores by:Heating a sulfide ore strongly in excess air converts it to an oxide. This step is called:Which of the following metals exist in their native state in nature? (i) Cu (ii) Au (iii) Zn (iv) Ag