8 Questions
Match the following terms with their definitions:
Amphoteric oxides = Metal oxides showing basic as well as acidic behavior Lustrous = Shining non-metal Carbonic acid = Formed when carbon dioxide is compressed in water at high pressure Sodium hydroxide = Formed when sodium absorbs moisture from air
Match the following reactions with the correct metals:
Al(s) + 3H2O(aq) = Steam is passed over hot Aluminium 2Na(s) + 2H2O(l) = Sodium absorbs moisture from air Mn + HNO3 = React with dilute HNO3 to evolve H2 gas Mg + HNO3 = React with dilute HNO3 to evolve H2 gas
Match the following statements with their correct explanations:
Sulphide and carbonate ores are converted into oxides = Because oxides are easier to be reduced than sulphides and carbonates Oxides of highly reactive metals cannot be reduced by carbon = Because highly reactive metals themselves are good reducing agents, so they can’t be reduced by carbon
Match the following metals with their state of existence in nature:
Aluminium = Combined state Silver = Free state Gold = Free state Copper = Free state
Match the following compounds with their properties:
Rust = Hydrated ferric oxide, Fe2O3$xH2O Solder = Low melting point, used for electrical fuse CuCO3.Cu(OH)2 = Green layer formed on copper plate when exposed to air Aluminium oxide = Conducts electricity in molten state, not in solid state
Match the following metals/non-metals with their unique properties:
Iodine = Lustrous non-metal Lead = Non-lustrous metal Sodium = Reacts with water only on boiling Magnesium = Reacts even with steam
Match the following compounds with their type:
Na2O = Ionic compound ZnO = Amphoteric oxide Al2O3 = Amphoteric oxide CO2 = Not specified
Match the following programming languages with their primary usage:
Brass = Cu and Zn Bronze = Cu and Sn Copper = Lead and tin =
Test your understanding of metals and non-metals with these one mark questions. Topics covered include metal oxides, non-metal properties, chemical reactions, and more.
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