75 One Liners for Chemistry General Knowledge

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

Other similar articles: Test – 1 | Test – 2 | Test – 3 | Test – 4 | Test – 5 | Test – 6 | Test – 7 | Test – 8 | 75 One Liners.

Elements:

• 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,

Orbitals

• 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,

Other relevant articles:

• Chemistry Objective GK Mock Test – 1
• Chemistry Objective GK Mock Test – 2
• Chemistry Objective GK Mock Test – 3
• Chemistry Objective GK Mock Test – 4
• Chemistry Objective GK Mock Test – 5
• Chemistry Objective GK Mock Test – 6
• Chemistry Objective GK Mock Test – 7
• Chemistry Objective GK Mock Test – 8

Conclusion:

Hope this article was helpful in increasing your knowledge in chemistry general knowledge field. Do let us know what else we can add to make this more meaningful and useful.

Thanks.