75 One Liners for Chemistry General Knowledge

75 one liners for Chemistry General Knowledge related to orbitals, elements, chemical reactions, modern periodic table etc.

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  • Best conductor of electric current: Silver,
  • Glass: Insulator,
  • Substance conducts electricity with the help of ions: Electrolyte,
  • Faraday: Explained electrolytic reaction,
  • Non-metal shows metallic conduction: Graphite,
  • Ions attracted to cathode: cations,
  • Torch cell: Converts chemical energy into electrical energy,
  • Reduction takes place at: Cathode,
  • Metals conducts electricity due to: Flow of electrons,
  • Positive electrode is called: anode,
  • Negative electrode is called: cathode,
  • Atom with 1 electron: Hydrogen,
    • Nucleus of hydrogen contains: 1 proton only,
  • Most electronegative elements: Fluorine,
  • Chlorine: Bleaching agent,
  • Most abundant are gas in atmosphere: Argon (Ar),
  • Use of salt in food: Produce hydrochloric acid important for digestion of food,
  • Monomer of polythene: Ethylene,
  • Most malleable metal: Gold,
  • Oil used in froth floatation process: pine oil,
  • Mass number: Sum of the number of protons and neutrons present in the nucleus,
  • Gas used for artificial ripening of fruits: Ethylene,
  • Major constituent of air: Nitrogen,
  • Dolomite: Contains both calcium and magnesium,
  • Main active constituent of tea and coffee: Caffeine,
  • Hardest form of carbon: Diamond,
  • Hottest part of gas flame: Non-luminous zone,
  • Inert gases are sparingly soluble in water,
  • Substance used in making compact discs: Polycarbonates,
  • Glass that has a high UV rays absorption potential: Crookes glass,
  • Carnotite is mineral for: Uranium,
  • Minerals important for restoring bodily fluid: Sodium and Potassium,
  • Element used for disinfecting water: Chlorine,
  • Laughing gas: Nitrous Oxide,
  • Types of coal: Peat, Lignite, Bituminous and Anthracite,
  • Milk of magnesia: Magnesium hydroxide i.e. Mg(OH)₂,
  • Flame colour of strontium salt: Crimson Red,
  • Major electricity power generation source in India: Coal,
  • Detergents are made up of: Sodium salts of sulphonic acids,
  • Gas used in bulb: Argon,
  • Antacids are used for: It neutralizes stomach acidity,
  • Washing soda is: Sodium carbonate,
  • Principle of hydrogen bomb: Uncontrolled fusion reaction,
  • Fuel rods in atomic reactor are of: Uranium,
  • Sweat is: Water and salt,


  • Maximum capacity of s-orbital: 2,
    • Shape of s-orbital: spherical,
  • Maximum capacity of p-orbital: 6,
    • Shape of p-orbital: dumb-bell,
    • Orbitals in p-subshell: three,
  • Maximum capacity of d-orbital: 10,
  • Maximum capacity of f-orbital: 14,
  • Nucleus contains: Protons and neutrons,

Chemistry Terms:

  • Molality: Number of moles of solute present in 1 kg of a solvent
  • Smelting: Process in which metal is obtained in fused state,
  • Henry’s Law: Amount of gas dissolved in a liquid is proportional to its partial pressure,
  • Gas present in stratosphere that filters out sun’s UV light: ozone,
  • Zeeman effect: Splitting of spectral line by the application of magnetic field,
  • Faraday’s law of electrolysis: Amount of chemical reaction at any electrode is directly proportional to quantity of electricity passed through electrolyte,
  • Fusion: Process of melting,

Chemical Reactions:

  • Principal of uncertainty: Werner Heisenberg,
  • Chemical reactions that never go to completion: Reversible reactions,
  • Process of manufacture of Sulfuric acid: Contact process,
  • Haber process: Process used for manufacturing ammonia direct from Nitrogen and hydrogen elements,
  • Le Chatelier: Put forward principle related to the equilibrium system,
  • Sublimation: Process in which solid is directly converted to gas,

Periodic Table:

  • Ionisation energy: Energy required to remove an electron,
  • Basis for modern classification of elements: Atomic number,
  • Elements of first group are called: Alkali metals,
  • Elements of second group are called: Alkaline earth metals,
  • Element with highest electron affinity: Fluorine,
  • Groups in modern periodic table: 18,
  • F-block elements are called: Inner transition metals,
  • Newland’s classification of elements was based on: Law of octaves,
  • Common characteristic of elements on the same group in the periodic table: Electrons in outermost shell,

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