chemistry

anandhakrishnan ea · 17問 · 1年前

通報

問題一覧

Talonite alloy is the mixture of

co and cr

Shell ലെ electron വിന്യസം കണ്ടുപിടിക്കാനുള്ള equation

2n^2

Thallium discooved by

william crookes

Plutonium discoverd by

enrico fermi

Germanium discoverd by

clemens winkler

Beryllium discovered by

louis nicolas vauquelin

Baking soda chemical name

Sodium Bicarbonate

Washing soda chemical name

sodium carbonate

Slacked lime chemical name

calcium hydroxide

Quicklime chemical name

calcium oxide

Limestone chemical name

calcium carbonate

Blue vitriol chemical name

copper sulphate

Green vitriol chemical name

ferrous sulphate

White vitriol chemical name

zinc sulphate

Common salt or rock salt chemical name

sodium chloride

Glaubers salt chemical name

sodium sulphate

Mohrs salt chemical name

Farrous Ammonium Sulphate

Epsom salt chemical name

magnesium sulphate

Bleaching powder chemical name

calcium hypochlorite

Ajinomoto chemical name

monosodium glutamate

Tear gas chemical name

benzyl chloride

Aspirin chemical name

acetyle salicylic acid

Hypo chemical name

sodium thiosulphate

Salt of hartshorn chemical name

Ammonium carbonate

Pear ash chemical name

potassium carbonate

Hydrolith chemical name

calcium hydride

Quartz chemical name

Silicon dioxide

Laughing gas chemical name

nitrous oxide

Boyles law

at constant temperature volume is inversely proportional to pressure

Charles law

constant pressure volume is directly proportional to temperature

Gay lussac law

at constant volume pressure is directly proportional to temperature

Avogardos law

constant pressure and temperature volume of gas is directly proportional to number of molecules

Ideal gas equation

pv = nRT

Henrys law

the amount of gas dissolved in a liquid is proportional to its partial pressure above the liquid

Raoults law

partial vapour pressure of each component of a solution is directly proportional to its mole fraction present in the solution

Daltons law of partial pressure

total pressure exerted by the mixture is equal to some of partial pressure exerted by each elemant of that mixture

Temporary hardness of water is caused by

bicarbonates of calcium and magnesium

Permanent hardness of water is caused by

sulphate and chloride of calcium ans magnesium

How to remove permanent hardness of water

adding washing soda or by distillation

Spirit of salt എന്ന് അറിയപ്പെടുന്നത്

sulphuric acid

Muriatic acid എന്ന് അറിയപ്പെടുന്നത്

sulphuric acid

Acid found in gastric juice

hcl

Acid which helps digestion

hcl

Acid used in tanning and printing technology

hcl

Acid used in bathroom cleaner

hcl

Acid known as spirit of nitre

nitric acic

Acid known as aqua fortis

nitric acid

The acid which fumes on the expose with air

nitric acid

Acid which is used for check purity of gold

nitric acid

Acid which is used for purification of gold and silver

nitric acid

Acid which is used in TNTand TNB

nitric acid

Acid which found in rain water

nitric acid

Acid which is known as oil of viriol

sulphuric acid

Acid which is known as king of chemicals

sulphuric acid

Acid which is used in storage battery

sulphuric acid

Acid which is used in manufacturing of dynamite

sulphuric acid

Acid which is used in refining of oil

sulphuric acid

Acid which is used in treatment of waste water

sulphuric acid

Acid which is used manufacturing of hcl

sulphuric acid

Acid which is used in manufacturing of alum

sulphuric acid

Manufacturing of sulphric acid is called

contact process

Contact process nde speed കൂട്ടാൻ വേണ്ടി ചേർക്കുന്ന catalist

vanedium pendoxide

Venadium pen dioxide nde chemical formula

v2 o5

Acid nde പേരോടുകൂടിയ base

boric acid

Acid + base gives

salt + water

Metal oxide or magnisum oxide ൽ water add cheythaalulla change

mgo+h2o = mg (oh)2

Dilute acid + metal gives

hydrogen + salt metal ഏത് വേണമെങ്കിലും ആവാം

What is salinity

amount of salt in grams present in 1000gm water

Neutralisation വഴി കിട്ടുന്ന salt ഏതെല്ലാം

sodium iodate, sodium carbonate, potassium nitrate, bleaching power, sodium benzoate

Oxalic acid അടങ്ങിയ fruits

tomato, banana, onion, chocolate, spinach

Acid present in grape

tartaric acid

Acid present in tamarind

tartaric acid

Acid present in appple

malic acid

Acid present in oil

stearic acid

Acid present in fat

stearic acid

Acid present in tea

tannic acid

Acid present in honey bee

formic acid

Acid present in ant

formic acid

Acid present in soda water

carbonic acid

Acid present in soft drinks

carbonic acid

Acid present in orange

citric acid

Acid present in lime

citric acid

Acid present in milk

lactic acid

Acid present in curd

lactic acid

Acid present in vinegar

acetic acid

Acid present in aspirin

acetyl salicylic acid

Acid present in urine

uric acid

Colorific value of petrol

45000kj/kg

Kerosene calorific value

45000kj/kg

Cng calorific value

50000 kj/kg

Methane calorific value

50000 kj/kg

Lpg calorific value

55000 kj/kg

dates

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