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because they are very REACTIVE so they BURN VIGOROUSLY when SPRINKLED on FLAME....

Properties of P-Block MetalsP-block metals have CLASSIC metal characteristics: they are shiny, they are good conductors of heat and electricity, and they lose electrons easily. Generally, these metals have HIGH melting POINTS and readily REACT with nonmetals to form ionic COMPOUNDS.......

okExplanation:P-block metals have classic METAL characteristics: they are shiny, they are good conductors of heat and electricity, and they LOSE electrons EASILY. Generally, these metals have high melting points and readily react with NONMETALS to form ionic COMPOUNDS

Alkali wash of 1,2 dichloropropane FOLLOWED by TREATING with concentrated H2SO4 LEADS to PROPENE

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i don't KNOW..............

y ORDER by USING UNIT in such questuon you konw genral formula for unit of RATE constant

The Liebig CONDENSER is much more EFFICIENT than a simple retort due to its use of liquid for cooling. WATER can absorb much more heat than the same volume of air, and its constant circulation through the water jacket keeps the condenser's temperature constant.

the answer is....(a)...EXPLANATION:We KNOW that in the process of diffusion the medium medium PARTICLE travels from one medium of high concentration to low concentration....there for medium B has less consideration therefore the liquid from medium to travel from A to B.....PLEASE mark as brainliest answer or hit the thanks..... please.... Also don't forget to follow me.... please yarrr.... itz important.... really.....

The word "chemistry" COMES from the ARABIC word "al-kimia" meaning "the art of transformation". Chemistry began as the STUDY of alchemy.I Hope It HELPS PLZ MARK Me As BRAINLIEST

ve very LESS INTERMOLECULAR spaces as compared to gases and liquids. Hence they have less COMPRESSIBILITY.

The Steps of Quantitative ResearchTheory. ...Hypothesis. ...RESEARCH design. ...Operationalising concepts. ...selection of a research site or sites. ...Selection of RESPONDENTS. ...DATA COLLECTION. ...Processing data.

NO2 ( Nitrogen DIOXIDE) 2Pb(NO3) 2 — 2PbO + 4NO2Explanation:PLEASE like my answer and ALSO PRESS the thank button.

ommon salt and ammonium chloride MIXTURE is separated by sublimation, Alteration and ' evaporation. Heat ammonium chloride carefully as it is VOLATILE. Fix a cotton PLUG at the end of the FUNNEL so that vapours of ammonium chloride do not escape.Hope it HELPS

tion:Correct option isBH 2 C=CH−CH= CH 3 ∣C − CH 3 H 2 C=CH−CH= CH 3 ∣C − CH 3 First dibromide forms which reacts with MG and forms grinard reagent, which then reacts with KETONE and in presence of ACID it looses one molecule of water and forms final PRODUCT.

A LINE by which a FIGURE or OBJECT is DEFINED or BOUNDED.

a. POTASSIUM Dicyanidoargentate(I) B. Triamminetriaquachromium(III) CHLORIDE

in using PYTHAGORAS theormhit:(6.5)^2-(5)^2=(other SIDE of rectangle)^2L am Amlendra follow me THANKS..

A solvent is chosen which DISSOLVES one COMPONENT, while not dissolving the other. By dissolving the MIXTURE in the chosen solvent, one component will go into the solution and pass through the filter, while the other will be RETAINED. This is one of the most important techniques used by CHEMISTS to purify compounds.

tion:1,4-ethanol-2-chloro-3-bromo-Butane HOPE it HELPS YOUMARK it as BRAINLIEST

Explanation:Sodium chloride or salt is a white COLOUR crystal with the molecular formula NaCl. On the other hand, potassium chloride or KCl is an ionic solid. The key difference between sodium chloride and potassium chloride is that the electronegativity difference between K and Cl is higher than that of NA and Cl. Molar mass of KCl is higher than that of NaCl’; the molar mass of sodium chloride is 58.44 g/mol, and for potassium chloride, it is 74.55 g/mol. APART from that, PEOPLE who don’t want to intake Na can have KCl salt, INSTEAD of NaCl table salt.

tion:atomic no. 4 = Berylliumperiod = 2 group = 2 atomic no. 12 = Magnesiumperiod = 3group = 2 atomic no. 20 = Calcium period = 4 group = 2AS down the group metallic character INCREASES. So, calcium is most metallic As down the group REDUCING power increases. So Be has least reducing power.

Li Be BNA MG ALK Ca CrCu Zn YRb Sr Ce and la

a) CuOb) FECO3 or CFeO3c) HgBr2Hope this HELPS.

TriadsExplanation:DOBEREINERS' triads had elements such that the average of atomic MASSES of first and last elements is EQUAL to atomic mass of the MIDDLE element

please yaar please mark me as the brainliest PLZ plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz plz EXPLANATION:The terms half-life and mean or average life are both factors pertaining to radioactive DECAY. The half-life (T½) of a radioactive substance is defined as the time required for either the radioactivity or the number of radioactive atoms to decay to half of the INITIAL value.

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y Here is your answer ☑️ the study of LIVING organisms, divided into many specialized fields that COVER their morphology, physiology, ANATOMY, behaviour, origin, and distribution☑️Hope it help you Please MARK me please #sibi ❤️

h3po4=98gthen 9.8g=98/10g=0.1 MOLE.

S OF REDOX REACTIONS IN EVERYDAY LIFE============>Burning of a fuel in OXYGEN is a redox reactionRusting of iron is also a redox reactionTHANKING YOU...

no reaction can take PLACE if there is no PRECIPITATION. EXPLANATION:mark me as brainliest

adding Cl2Explanation:If we add CL2 in the reaction then the reaction will SHIFT FORWARD and more and more 2NOCl will FORM.

is brown in COLOUR element turns BLACK on HEATING.

hloo MATE...HF is more acidic as F is more ELECTRONEGATIVE than I.hope it HELPS..

E SOME OF THE SCIENTIFIC VALUES(5):::curiosity/inquisitiveness open mindednessobjectivitypreservancescientific temperSOME EXTRA VALUES======>intellectual honesty SPIRIT of enquiryrespect for other's viewsTHANKING YOU....

When the electrons HIT the atoms in the chamber, they cause some of the electrons in the atoms to be STRIPPED or knocked away. ... When one or more electrons is knocked off of an atom, it becomes positively CHARGED. It is now an POSITIVE ion. A negative ion can be MADE by adding an electron to an atom.

mendeleev was the SCIENTISTS , and has also given perioduc LAWS in his time. according to modern PERIODIC law the atomic NUMBERS of an elements is periodic FUNCTION of their chemical properties

Caustic Soda • electrolysis of aq. NaCl NaCl + H2O NaCl — Na(+) + Cl(-) H2O — H(+) + OH(-) At CATHODE 2H(+) + 2é - H2AT anode 2CL(-) — Cl2 + 2éButCl2 + NaOH — [Hot] — NaCl + NaClO3 + H2O [COLD] — NaCl + NaClO + H2OSo to resolve this problem Castner kellner cell is USED, in which, Hg cathode ( Na> H) At cathode Na(+) + é — Na— Na-Hg ( Sodium amalgam) At anode 2Cl(-) — Cl2 + 2é

e,please post your questions in english unless it comes under the category of hindi or india languages.I request you to do the same the next time.Posting chemistry question in hindi or any other languages (scheduled) will only keep your question to REMAIN unanswered.So, please take note of my request and try not to repeat the same MISTAKE the next timeI am answering this only because BRAINY is not LETTING me comment on any question (don't KNOW why this happens maybe some crack)Thanking youYours faithfullyDJGokzzz