CURIOUSITY QUIZ: METALS AND NON-METALS
Test Your knowledge on 'Metals and Nonmetals' prepared exclusively according to the NCERT science curriculum for Class-10 . Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck!
The above picture depicts the precious  metal gold which has been crazed for centuries for its lustre and beauty.
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A highly corrosive and fuming liquid that can even dissolve gold and platinum is named :
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Which is the most reactive metal ?
Which is the least reactive metal ?
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Sodium chloride does not exist as molecules, but aggregates of oppositely charged :
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Metals are sonorous . This means that metals  :
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This is the only non-metallic element to exist in liquid state :
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This is the only metallic element to exist in liquid state :
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This is a silvery grey metal , but turns to liquid  state at body temperature when kept over hand:   
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Silver articles become black after some time when exposed to air. This is because it reacts with sulphur in the air to form a coating of :
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This metal is so soft that it can be easily cut with a knife:
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Which is the hardest non-metal?
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Which is the most malleable  metal?
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Which metal is having the highest electrical conductivity?
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Copper reacts with moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat. This green substance is :
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Iron when exposed to moist air for a long time acquires a coating of a brown flaky substance called :
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 Stainless steel is stainless because of the addition of :
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Why is the percentage of impurity in a sample of 22 carat gold?
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In an amalgam, one of the component must be :
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Solder, an alloy of Lead and Tin (Pb and Sn),  used for welding electrical wires together, should have :
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A nonmetal which is lustrous:
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A nonmetal that conducts electricity :
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Some metal oxides, such as Aluminium oxide, Zinc oxide show both acidic as well as basic behaviour are known as :
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What is TRUE about Ionic compounds?
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A metal which is always found in native state in nature :
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How metals of high reactivity are generally extracted from their ores ?
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The surface of metals generally have  shiny appearance. This property of the metals is called:
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What is the colour of Chlorine gas ?
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It is a soft, silvery metal that forms oxides on its surface with oxygen  of air even within seconds. It gives a golden yellow colour in a flame test. Identify the metal:
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This is the only nonmetal that is a good conductor of electricity:
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Aqua Regia is a highly corrosive fuming liquid that can dissolve gold and other Noble metals. What is the ratio of the concentrated Hydrochloric Acid to the Concentrated Nitric Acid in Aqua Regia?
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