Chemistry One-Liners for various competitive examinations Thank You for landing the Chemistry section page. Here are some important Chemistry one-liners for students competing for various exams Watch some of the important points of Chemistry below. 1- Carbonic acid (H2CO3) is used in soft drinks. 2-The name catalyst was given by Berzelius 3-Carbon occur in nature … Read more
Chemistry- Common Substances & their Chemical Names 1- Epsom salt magnesium sulfate heptahydrate MgSO4.7 H2O 2- graphite carbon C 3- marble calcium carbonate CaCO3 4- oil of vitriol sulfuric acid H2SO4 5- baking soda sodium hydrogen carbonate sodium bicarbonate NaHCO3 6- Borax sodium tetraborate decahydrate Na2B4O7.10 H2O 7- laughing gas … Read more
Chemistry- One Liners-Sept 12, 2017 1-The chemical used as a fixer in photography is sodium thiosulphate 2-The alcohol used in power alcohol is ethyl alcohol 3-The alloy of aluminium used for making magnet is alnico 4- Pyrex glass is heat resistant 5-Periodic table was given by Mendeleev 6-Synthetic fibre Rayon is known as artificial silk … Read more
Chemistry -One Liners 1-The gas that is used in the manufacture of vanaspati ghee is Hydrogen 2-Electric bulbs are filled with Argon 3-Calcium oxalate is found in Kidney Stones 4-Boron can be used to absorb neutrons to control the chain reaction during nuclear fission 5-The noble gas used in radiotherapy is Radon 6-Hydrogen … Read more
Chemistry ORES AND METALLURGY 1. Metals occur in nature some times free but mostly in combined sate. 2.The minerals from which the metals can be conveniently and economically extracted are know as ores. 3.All the ores can be minerals but all minerals can’t be ores. 4. Metals which are least reactive and have little affinity … Read more
Chemistry Important Ores of Metals Name of Elements 1- Iron (Fe) Ores: Hematite: Fe2O3 Magnetite: Fe3O4 IronPyrite: FeS2 Siderite: FeCO3 2- Aluminum (Al) Ores: Bauxite: Al2O32H2O Corundum: Al2O3 Kryolite: Na3AlF6 3-Zinc (Zn) Ores: Zinc Blende: ZnS Calamine: ZnCo3 4- Copper (Cu) Ores: Copper Pyrite: CuFeS2 Copper Glance: Cu2S Malachite: … Read more
Chemistry 1- Hydrogen gas is released when a metal reacts with an acid . 2- Lime water turns milky when carbon dioxide is passed due to the formation of CaCO3 3-Acids react with metal carbonates to liberate Carbon dioxide gas. 4- You have been provided with three test tubes. One of them contains … Read more
Chemistry Ions and salts 1-An ion is a charged species, an atom or a molecule, that has lost or gained one or more electrons. 2-When an atom loses an electron and thus has more protons than electrons, the atom is a positively charged ion or cation. 3-When an atom gains an electron and … Read more
Atoms -Important Properties-Important One Liners 1-An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. 2-Every atom is composed of a nucleus and one or more electrons bound to the nucleus. 3-Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. 4-The … Read more
Chemistry -One Liners 1-Action of phosphoric acid on rock phosphate produces phosphoric acid 2-What is the name given to the electrons in the highest occupied energy level of an atom ? -Ans- valence electrons 3-What type of bonding does NaCl have ? -Ionic 4-Temperature and pressure in ammonia converter is 450 atm, 550°C 5-Fusion zone … Read more