Metals, Minerals, Ores : Properties, Uses One Liner Questions & Answers
| S.R. NO | Questions | Answers |
| 1 | Which is the most reactive metal? | Potassium |
| 2 | Which pairs of metals constitutes the lightest metal and the heaviest metal, respectively? | Lithium and Osmium |
| 3 | What is the hardest metal? | Tungsten |
| 4 | What is the naturally occurring hardest substance on the earth? | Wurtzite boron nitride |
| 5 | Which materials is very hard and very ductile? | Nichrome |
| 6 | The heaviest natural element is? | Uranium |
| 7 | The chemical structure of the pearl is – | Calcium Carbonate |
| 8 | The main constituents of pearl are – | Aragonite and Conchiolin |
| 9 | Pearl is mainly constituted of – | Calcium Carbonate |
| 10 | What are Rubies and Sapphires chemically known as? | Aluminium Oxide |
| 11 | The chemical formula of sapphire (Ruby) is | Al2O3 |
| 12 | Which elements is kept safely in Kerosene oil? | Sodium |
| 13 | Sodium Vapor Lamp is usually used as street light, because – |
Light from this is monochromatic and will not split through water droplets
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| 14 | Which metals is accessed in the native state? | Gold |
| 15 | Gold is dissolved in – | Aqua regia |
| 16 | Of how many carats is the pure gold? | 24 |
| 17 | Minerals are- | Inorganic solids |
| 18 | The softest mineral, Talc (Soapstone) is mainly | Magnesium Silicate |
| 19 | The chemical name of limestone is? | Calcium Carbonate |
| 20 | ‘Plaster of Paris’ is made up of – | Gypsum |
| 21 | To protect broken bones, Plaster of Paris is used. It is – | Gypsum |
| 22 | Chemically ‘Plaster of Paris’ is – | Calcium Sulphate |
| 23 | The chemical formula of the Plaster of Paris is – | CaSO4ò H2O |
| 24 | Doctors, Artists, and Sculptors use Calcium Sulphate which is popularly known as – | Plaster of Paris |
| 25 | Which materials contains calcium? | Gypsum |
| 26 | Monazite is an ore of – | Thorium |
| 27 | Mica is a – | Good conductor of heat and bad conductor of electricity |
| 28 | In which industries is mica used as a raw material – | Electrical |
| 29 | Which liquid is the best conductor of heat? | Mercury |
| 30 | Which metals is liquid at ordinary temperature? | Mercury |
| 31 | Which is in liquid form at room temperature? | Francium |
| 32 | Mercury is basically used in thermometer devices because its especially is – | High circulation power |
| 33 | Iron is obtained from – | Haematite |
| 34 | Which ‘materials has the highest electrical conductivity ? | Silver |
| 35 | What is mainly used for the production of Aluminium? | Bauxite |
| 36 | Bauxite is the ore of – | Aluminium |
| 37 | Aluminium metal is obtained from – | Bauxite |
| 38 | Which materials has the highest electrical conductivity? | Silver |
| 39 | Which is mainly used for the production of Aluminium? | Bauxite |
| 40 | Bauxite, is an ore of which metals? | Aluminium |
| 41 | Aluminium metal is obtained from – | Bauxite |
| 42 | What has the highest melting point? | Boron |