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Assistant General Science

Chemistry – 08

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

Solvay Process

 

  • Process of extraction of salt from seawater is known as

Evaporation

 

  • Purification process of seawater 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 conducts 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 the nuclear reactor

Graphite

 

  • Ball-shaped allotrope of carbon

Fullerene

 

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

Charcoal

 

  • Fuel used in the 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 on Earth

Corundum

 

  • Scale which is used to measure the hardness of Diamond

Mohs Scale

 

  • Hardness of diamond

10 mohs

 

  • Hardness of corundum

9 mohs

 

  • Substance 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 has no radioactive isotope

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 the smell of garlic

Phosphorus

 

  • Element which emits green light on exposure to atmosphere

White Phosphorus

 

  • Element which is kept underwater

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 matchsticks

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…)