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The equation (l-m/2)x^2 -(l+m/2)x +m =0 got two VALUES of x to satisfy the equation GIVEN as

The EQUATION (l-m/2)X^2 -(l+m/2)x +m =0 GOT TWO values of x to satisfy the equation GIVEN as

K = 39

H = 1

S = 32

0 = 16

KHSO4 = 39+1+32+16*4 = 136

Formaldehyde on reaction with Grignard's REAGENT FOLLOWED by hydrolysis gives a primary alcohol as the final product.

1-propanol is the product formed here.

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Yes , MOLYBDENUM is element with ATOMIC no. 42 which is silvery, hard METAL with high MELTING point.

By BALANCING EQUATION

Sulfuric acid, sulfuric also spelled sulphuric (H2SO4), also called OIL of vitriol, or hydrogen sulfate, dense, colourless, OILY, corrosive liquid; one of the most important of all chemicals, prepared industrially by the reaction ofwater with sulfur TRIOXIDE (see sulfur oxide), which in turn is made by chemical



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The FEEL of heaviness or weight GIVES mass
But
The amount of substance packed in the GIVEN material GIVE the volume
DENSITY =mass÷volume

ANSWER:

EXPLANATION:

HUMPHREY SERIES

Lyman series

Lyman series

Humphrey series

1 false since only H like species ( NA Li K) can have same properties
2 He has 2 ELECTRONS but H have one ELECTRON which is known from its atomic NUMBER

Glyceraldehyde 3 PHOSPHATE to 1,3 bisphospho glyceric acid with NADH2
G3P(ALDEHYDE) is oxidised to acid
NAD+ is REDUCED to NADH2 by ADD of H2

Glyceraldehyde 3 phosphate to 1,3 bisphospho glyceric ACID with NaDH2
In this
G3P(aldehyde) is oxidised to acid
While
NaD+ is REDUCED to NaDH2 by ADD of H2

Nacl+NH3+CO2+H2O=NAHCO3+NH4CL

NAHCO3 IS THE SODIUM CARBONATE HERE

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Its from CLASS 9 CBSE textbook

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Ketones are sterically hindered than aldehydes, DUE to presence of alkyl GROUP on both the side of the carbonyl CARBON, MAKING them less reactive towards nucleophilic ATTACK.

OXYGENS atomic configration is 1s¹ 2s²2p4 and nitogens is 1s² 2s²2p³.
1) As the nitrogen accuries extra stability because of half filled 2p orbital, while OXYGEN can aquire stability by losing one electron. Thus oxygen can easily lose electron.
2) Nirogen requires more enegry to lose electron DEU to extra stability . THEREFORE ionisation enthalpy of oxygen is less than that of Nitrogen





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Because it PROVIDES you the basic of organic chemistry... THEERE are also many chapters that are based on the basic of STRUCTURE of atom..

Because its DIFFUSION RATE is more

(I) tea can be PREPARED by FOLLOWING steps:Take 100ml of water as solvent and boil it few MINUTES.
(ii) Now add one tea spoon sugar, one tea spoon tea LEAVES and 50ML of milk. Here sugar, tea leaves and milk are solute.
(iii) Now boil it again for few minutes so that sugar will dissolves in solution as sugar is soluble in water
(iv) Now filter the solution. Collect the filtrate in cup. The insoluble tea leaves will be left behind as residue.

On moving down the group the thermal stability of the ELEMENTS decreases because -

-There is an increase in the SIZE of the atoms as the atomic the number of shells increases when we move down the group.

-So, the bond dissociation enthalpy of HYDRIDES H-E (the energy required to break the bond of one mole of elements) decreases.

Thus the order of thermal stability will be; H2O > H2S > H2Se>H2TE> H2Po.

ASPARTAME becomes unstable at cooking temperature.This is the REASON why its use is limited to COLD foods and drinks.
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The PHOTO is not CLEAR

Rubbing a sting with an ice cube can help to reduce pain, as can APPLYING an ice pack. However, always wrap the ice pack in a CLOTH to protect the SKIN from damage. Medications, such as ACETAMINOPHEN or IBUPROFEN,can help reduce the pain and discomfort associated with ayellow jacketsting

1 DEGRE to acids
2 DEGREE to ketone
3 degree no reaction

A Triple bond is when three PAIRS of electrons are shared between TWO atoms in a molecule. It is the least stable out of the three GENERAL types of covalent BONDS

As copper is more REACTIVE than silver
But rex TAKE PLACE when CU is added in AgNO3

Since N is less electronegative than O, it will be slightly more stable than O with that positive CHARGE. Hence,PYRROLE will be more aromatic than furan. Therefore, according to me, the aromaticity ORDER should be: benzene > pyridine > pyrrole > furan > thiophene. But it is OBVIOUSLY wrong.
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There is the INCREASE in the volume. You can IDENTIFY that by putting more SUGAR in the WATER

Between the particles of WATER the SUGAR particles GET trap and they are too small that we can't see with our naked eyes

It BECOMES NEGATIVELY charged as the electron CONTAINS negative CHARGE.

The SUN is actually white in color it just APPEARS yellow DUE to INTERACTION with our atmosphere.
And for the helium thing, The helium isn't buring on the sun, the sun is creating helium through NUCLEAR fusion.

Because bromine is GOOD AGENT to CLEAN water than chlorine is

Because carbon cation US generally more STABLE at more SUBSTITUTED carbon

When CO2 is passed through lime-water, it turns MILKY due to the FORMATION of an insoluble precipitate ofCalcium CARBONATE. ... The CaCO3precipitate causes the milkiness. If youpass EXCESS CO2 through lime-water, the CaCO3 reacts with the excess CO2and water to form CALCIUM hydrogencarbonate or calcium bicarbonate.

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The STOMACH JUICE of PERSON a is more ACIDIC.

It is ATMOSPHERE which is layering our earth which consists of ozone which helps in REDUCING the effect of UV rays of Sun.

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Exceptionally useful radioactiveisotope is iodine-131, which has a half-life of EIGHT days. It is EMPLOYED in medicine to monitor thyroid gland functioning, to TREAT goitre and thyroid cancer, and to locate tumours of the brain and of the liver. It is ALSO USED in investigations to trace the course

Aryl HALIDES have PARTIAL double bond character because of the resonance of the lone pair of the halide with the BENZENE ring, and thus the bond energy of aryl halides is GREATER as compared to alkyl halides.

Hence, the (C-X) bond is HARDER to break in aryl halides than in alkyl halides, and therefore aryl halides are less reactive than alkyl halides.

Combination REACTION
decomposition reaction
DISPLACEMENT reaction
DOUBLE displacement reaction
oxidation and REDUCTION reaction
neutralization reaction