NDA Metals & Non-metals — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NDA Metals & Non-metals in the app →Which of the following metal oxides is amphoteric (reacts with both acids and bases)?Arrange the following metals in decreasing order of reactivity as verified in NCERT reactivity seriesWhich of these metals does NOT react with dilute HCl to release hydrogen gas?Rusting of iron requires the simultaneous presence ofThe alloy called brass is composed ofThe metal that is stored under kerosene to protect it from air isMetals are generallyThe reaction between iron and copper(II) sulphate solution is an example ofWhich of the following is a non-metal that is a LIQUID at room temperature?The process of coating iron/steel articles with a thin layer of zinc to prevent rusting is calledAn ore of iron that is best in terms of iron content and magnetic properties per NCERT isIonic compounds like sodium chloride generallyWhen zinc is added to dilute sulphuric acid, the gas evolved isThe most abundant metal in the Earth's crust isThe reaction of sodium with water at room temperature is