Chemistry 8

രസതന്ത്രത്തിലെ പ്രധാന പ്രക്രിയകൾ, കാർബൺ, ബോറോൺ, സൾഫർ, ഫോസ്ഫറസ് എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ

• Process of extracting Magnesium is called

                 Dow Process

• Process of extracting Sodium is called

                 Down's Process

• Process of industrial production of Hydrogen  is called

                 Bosch Process

• Production of Nitric acid is called

                 Ostwald Process

• Production of Noble metals is called

                 Cyanide Process

• Industrial production of Steel is called

                 Bessemer Process

• Production of Sulfuric acid is called

                 Contact Process

• Production of Chlorine Gas is called

                 Deacon's Process

• Production of Hard water is called

                 Girdler Sulphide Process

• Production of Ammonia is called

                 Haber Process

• Production of Sodium Carbonate is called

                 Solvey Process

• Process of extraction of salt from sea water is known as 

                 Evaporation

• Purification process of sea water is known as 

                 Distillation

• Which is known as the fundamental element of life

                 Carbon

• Examples of Crystalline carbon

                 Diamond, Graphite, Graphene, Fullerene

• Examples of Amorphous carbon

                 Coal, Coke, Charcoal, lamp black

• Most stable form of carbon

                 Graphite

• Non metal allotrope of carbon that conduct electricity

                 Graphite

• The substance which is known as black lead

                 Graphite

• Substance which is used to make lead pencils

                 Graphite

• Allotrope of carbon which is used as moderator in nuclear reactor

                 Graphite

• Ball shaped allotrope of carbon

                 Fullerene

• Allotrope of carbon which is used for purifying sugar, gas, water, gold etc

                 Charcoal

• Fuel used in blast furnace

                 Coke

• Diesel oil is produced by the hydrogenation of 

                 Coke

• Charcol perform purification by the process of 

                 Adsorption

• The process of accumulation of gas or liquid molecules on the surface is known as

                 Adsorption

• Ability of a substance to attract water molecules from surrounding environment is known as

                 Hygroscopy

• Hardest substance in Earth

                 Diamond

• Second hardest substance in Earth

                 Corundum

• Scale which is used to measure the hardness of Diamond

                 Mohs Scale

• Hardness of diamond

                 10 mohs

• Hardness of corundum

                 9 mohs

• Sunstance which has the highest melting point

                 Tungsten (3422° C)

• White powder which is used as polish in carrom board

                 Boric acid

• Acid which is used as an antiseptic and eye lotion

                 Boric acid

• Main component of stiff and shine which is used while washing clothes

                 Borax

• Compound of Boron which is having the same structure of benzene (Inorganic benzene)

                 Borozene

• Structure of benzene was discovered by

                 Keule

• Number of atoms present in Sulphur molecule

                 8

• Element which have no radio active isotop

                 Sulphur

• Gas which cause fading of color of Taj Mahal

                 Sulphur dioxide

• Gases which cause fading of Silver

                 Sulphur dioxide, Hydrogen sulphide

• Element which is known as enemy of Copper

                 Sulphur

• Allotrops of Sulphur

                 Monoclinic sulphur, Plastic sulphur, Rhombic sulphur

• Gases causing acid rain

                 Sulphur dioxide, Oxides of Nitrogen

• Mixture of Sulphur and charcoal is known as 

                 Gun Powder

• Element which meant "I carry light"

                 Phosphorus

• Element which has smell of garlic

                 Phosphorus

• Element which emit green light on exposure to atmosphere

                 White Phosphorus

• Element which is kept under water

                 White Phosphorus

• Element which burns in atmosphere at 30° C

                 White Phosphorus

• Element which is using for making safety matches

                 Red Phosphorus

• Element which is using for making match sticks

                 Pottassium Chlorate

• Phosphorous compound which has the smell of rotten fishes

                 Phosphine

• Element which is known as king of poisons

                 Arsenic

• Most poisonous substance

                 Arsenic

• Study of poisons

                 Toxicology

• Substance which is used as rat poison

                 Zinc Phosphide
                                                                         (To be Continued...)