General Knowledge for CLAT : Science

General Knowledge for CLAT: Branches of Science, Elements and Compounds

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General Knowledge for CLAT: Branches of Science, Elements and Compounds

DIFFERENT BRANCHES OF SCIENCE

Branch	Concerning field
Aeronautics	Science of flight of airplanes.
Astronomy	Study of heavenly bodies.
Agronomy	Science dealing with crop plants.
Angiology	Deals with the study of blood vascular system.
Anthology	Study of flowers.
Anthropology	Study of apse and man.
Apiculture	Honey industry (Bee Keeping)
Araneology	Study of spiders.
Batracology	Study of frogs.
Biochemistry	Deals with the study of chemical reactions in relation to life activities.
Biotechnology	Deals with the use of micro-organnisms in commercial processes for producing fine chemicals such as drugs, vaccines, hormones, etc.on a large scale.
Cardiology	Study of heart.
Craniology	Study of skulls.
Cryptography	Study of secret writing.
Cryogenics	Study concerning with the application and uses of very low temperature.
Cytology	Study of cells.
Dermatology	Study of skin.
Ecology	The study of relationship between organisms and environment.
Entomology	Study of insects.
Etiology	Study of cause of disease.
Eugenics	Study of improvement of human race by applying laws of heredity. It is related with future generations.
Evolution	Deals with the study of origin of new from old.
Exobiology	Deals with life or possibilities of life beyond the earth.
Floriculture	Study of flower yielding plants.
Geology	Study of condition and structure of the earth.
Genetics	Study of heredity and variations.
Gerontology	Study of female reproductive organs.
Horticulture	Study of garden cultivation.
Haematology	Study of blood.
Herpetology	Study of liver.
Iconography	Teaching by pictures and models.
Immunology	Science which deals with the study of resistance of organisms against infection.
Jurisprudence	Science of law.
Kalology	Study of human beauty.
Lexicography	Compiling of dictionary.
Mycology	Study of fungi.
Myology	Study of muscles.
Nephrology	Study of kidneys.
Neurology	Study of nervous system.
Numismatics	Study of coins and medals.
Obstetrics	Branch of medicine dealing with pregnancy.
Oneirology	Study of dreams.
Ophthalmology	Study of eyes.
Ornithology	Study of birds.
Osteology	Study of bones.
Palaeontology	Study of fossils.
Philately	Stamp collecting.
Philology	Study of languages.
Phonetics	Concerning the sounds of a spoken language.
Physiography	Nature phenomenon.
Pedology	Study of soils.
Pathology	Study of disease causing organisms.
Phycology	Study of algae.
Physiology	Science dealing with the study of functions of various parts of organisms.
Pisciculture	Study of fish.
Pomology	Study of fruits.
Seismology	Study of earthquakes.
Sericulture	Silk industry (culture of silk moth and pupa).
Serpentology	Study of snakes.
Telepathy	Communication between two minds at a distance with the help of emotions.
Taxonomy	Study of classification of organisms.
Virology	Study of virus.

ELEMENTS, SYMBOLS AND ATOMIC NUMBERS

Name	Symbol	Atomic Number	Name	Symbol	Atomic Number
Hydrogen	H	1	Iron (Ferum)	Fe	26
Helium	He	2	Cobalt	Co	27
Lithium	Li	3	Nickel	Ni	28
Beryllium	Be	4	Copper (Cuprum)	Cu	29
Boron	B	5	Zinc	Zn	30
Carbon	C	6	Germenium	Ge	32
Nitrogen	N	7	Bromine	Br	35
Oxygen	O	8	Krypton	Kr	36
Flourine	F	9	Zirconium	Zr	40
Neon	Ne	10	Silver	Ag	47
Sodium (Natrium)	Na	11	Tin (Stannum)	Sn	50
Magnesium	Mg	12	Antimony (Stabnium)	Sb	51
Aluminium	Al	13	Iodine	I	53
Silicon	Si	14	Barium	Ba	56
Phosphorous	P	15	Gold (Aurum)	Au	79
Sulphur	S	16	Mercury (Hydragerm)	Hg	80
Chlorine	Cl	17	Lead (Plumbum)	Pb	82
Argon	Ar	18	Bismuth	Bi	83
Potassium (Kalium)	K	19	Radium	Ra	88
Calcium	Ca	20	Thorium	Th	90
Titanium	Ti	22	Uranium	U	92
Vanadium	V	23	Plutonium	Pu	94
Chromium	Cr	24	Curium	Cm	96
Manganese	Mn	25

COMMON AND CHEMICAL NAMES OF SOME COMPOUNDS

Common Name	Chemical Name	Chemical Formulae
Dry lce	Solid Carbondioxide	CO₂
Slaked Lime	Calcium Hydroxide	Ca (OH)₂
Bleaching Powder	Calcium Oxychloride	CaOCI₂
Nausadar	Ammonium Chloride	NH₄CI
Caustic Soda	Sodium Hydroxide	NaOH
Rock Salt	Sodium Chloride	NaCI
Caustic Potash	Potassium Hydroxide	KOH
Potash Alum	Potassium Aluminium Sulphate	K₂SO_{4 .}AI₂(SO₄)_3.24H₂O
Epsom	Magnesium Sulphate	MgSO_4.7H₂O
Quick Lime	Calcium Sulphate	CaO
Plaster of Paris	Calcium Sulphate	(CaSO₄) ¹/₂H₂O
Gypsum	Calcium Sulphate	CaSO₄.2H₂O
Green Vitriol	Ferrous Sulphate	FeSO₄.7H₂O
Mohr’s Salt	Ammonium Ferrous Sulphate	FeSO₄ (NH₄)₂SO₄.6H₂O
Blue Vitriol	Copper Sulphate	CuSO₄.5H₂O
White Vitriol	Zinc Sulphate	ZnSO₄..7H₂O
Marsh Gas	Methane	CH₄
Vinegar	Acetic Acid	CH₃COOH
Potash Ash	Potassium Carbonate	K₂CO₃
Hypo	Sodium Thiosulphate	Na₂S₂O₃.5H₂O
Baking Powder	Sodium Bicarbonate	NaHCO₃
Washing Soda	Sodium Carbonate	Na₂CO₃.10H₂O
Magnesia	Magnesium Oxide	MgO
Chalk (Marble)	Calcium Carbonate	CaCO₃
Lunar Caustic	Silver Nitrate	AgNO₃
Laughing Gas	Nitrous Oxide	N₂O
Chloroform	Tricholoro Methane	CHCI₃
Vermelium	Mercuric Sulphide	HgS
Borax	Borax	Na₂B₄O₇.10H₂O
Alcohol	Ethyl Alcohol	C₂H₅OH
Sugar	Sucrose	C₁₂H₂₂O₁₁
Heavy Water	Duterium Oxide	D₂O
Globar’s Salt	Sodium Sulphate	Na₂SO₄.10H₂O
T.N.T.	Tri Nitrotoluene	C₅H₂CH₃(NO₂)₃
Calomel	Mercurous Chloride	Hgci
Sand	Silicon Oxide	SiO₂