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EXPLANATION:

ALCOHOL, ALDEHYDE, CARBOXYLIC ACID

If we decompose 100 grams of pure WATER by passing electricity through it then 11 grams of hydrogen and 89 grams of oxygen obtained. This EXPERIMENT shows that water ALWAYS CONSISTS of the same two elements hydrogen and oxygen COMBINE together in the same constant proportion of 11: 89 or 1:8 by mass.

ANSWER:

H2SO4

CaCO3

NaCL

HNO3

....

....

...

ANSWER:

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Explanation:

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EXPLANATION:

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DIATOMIC - H2, hcl, co

triatomic- CO2, h2o

polyatomic - h2so4, C6H5

Answer:

hello

Explanation:

option B is correct answer of this question..

helpful answer

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EXPLANATION:

Since the volume of the gas is the only variable that has changed, we can USE BOYLE's law in order to find the FINAL pressure. Since pressure ...

1500 ml

Answer:

Floating DRUG delivery systems are designed to prolong the study of the dosage form in the gastro intestinal tract and aid in enhancing the absorption. Such systems are BEST suited for drug having a better solubility in acidic ENVIRONMENT and also having specific SITE of absorption in upper part of the small intestine.

Explanation:

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Answer:

1. (B) Si (Silicon)
2. (D) BOTTOM
3. (A) S block

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Answer: CaCO3 burns to form Ca2O and CO2

RMM: CA= 40, C= 12, O= 16

:. 40+12+16= 68

WEIGHT OF CALCIUM OXIDE

RMM: 40 MULTIPLY by 2+16

=96amu

Explanation:

The weight of a compound is SIMPLY the relative molecular mass of each particular ELEMENT PRESENT in the compound added together.

ANSWER:

the general NAME of the CHEMICAL which are captured the country's reasonable time considerable time is a variety of bedlam of CHIRRUPING it refers to the noise conditions and ensure the submission of a schedule that after gradually lose touch with seclusion with RESIGNATION

ANSWER:

GASES

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ANSWER:

I know

Explanation:

the answers is a. pure substance is MADE up of only ONE material

true

ANSWER:

In a displacement reaction more REACTIVE element displaces a less reactive element to form a COMPOUND. displacement reaction can be seen in metals and non-metals both. Examples: Zinc displaces IRON ions from iron sulphate solution. NICKLE displaces copper from copper nitrate solution.

Answer:

3. The REACTION RATE Of The SN2 Reaction Is Fastest For SMALL Alkyl Halides (Methyl > Primary > SECONDARY >> Tertiary

ANSWER:

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Explanation:

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EXPLANATION:

make sure the question be in ONE or two line its very DIFFICULT to answer DEAR

Answer:

The children in the peom LIKE to imagine things.do you THINK it is a GOOD quality to have? answer in in about 80 words

a=int (input("ENTER the NUMBER : "))

FAC=1

while (a>0):

fac=fac*a

a=a-1

print("FACTORIAL : ", fac)a=int (input("enter the number : "))

fac=1

while (a>0):

fac=fac*a

a=a-1

print("FACTORIAL : ", fac)a=int (input("enter the number : "))

fac=1

while (a>0):

fac=fac*a

a=a-1

print("FACTORIAL : ", fac)

ANSWER:

A decomposition reaction occurs when one reactant breaks down into two or more products. This can be represented by the GENERAL equation: AB → A + B. EXAMPLES of decomposition reactions INCLUDE the breakdown of hydrogen peroxide to WATER and oxygen, and the breakdown of water to hydrogen and oxygen

Answer:

Which of the following religions is most commonly PRACTICED in CENTRAL Asia?formula of average VELOCITY of an an object moving in a straight line with non uniform motion

ANSWER:

A volatile SOLUTE produces VAPOUR at the boiling point of the solution. At the same temperature, they have HIGHER vapour pressure than non-volatile solutes.

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NaHCO3 + HEAT ——> NA2CO3 + H2O + CO2

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ANSWER:

3.7 ATM is the CORRECT answer for the GIVEN QUESTION

ANSWER:

yes , I have all type of CHEMISTRY notes . for NEET , for SCHOOL BOARD

ANSWER:

(c) Both

Explanation:

G.R SHOWS both nucleophilic ADDITION and SUBSTITUTION REACTION.

Answer:

0001 M HCl is the same as saying that 1 *10-4 MOLES of H+ ions have been added to solution. The -LOG[. 0001] =4, so the pH of the solution =4.

Explanation:

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Answer:

CLS 6

7

8

9

10

11

12

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CBSE Class 11 Chemistry Notes

CBSE Class 11 Chemistry Notes Chapter wise

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Chapter 12 ORGANIC Chemistry Some Basic Principles and Techniques

Chapter 13 Hydrocarbons Class 11 Notes

Chapter 14 Environmental Chemistry Class 11 Notes

CBSE Notes

Answer:

They don’t behave like other bonds.

So we have single bond between TWO s electrons.

The bond can rotate and bend. Stretch as well.

This gives US interesting IR spectra, plus others.

We then have double bonds eg. Ethylene

CH2=CH2 it has an s bond plus a PI bond.

They cannot rotate.

It’s polymer is polyethylene. You can have Low Density and High Density Polyethylene. Put a CHLORIDE atom instead of a hydrogen atom and we have Vinyl chloride.

It’s polymer is of course PVC.

Put a Methyl group in instead of a Hydrogen and we have Polypropylene.

Put a Benzene group in and we have polystyrene.

etc, etc

We can then have a triple bond and just CH each

end and we have the gas acetylene. I sigma and two pi bonds. Of course it cannot rotate.

So they don’t behave the same.

The nomenclature goes back to the 1970’s , when I took my DEGREE.

Answer:

In the MECHANICS of materials, the strength of a material is its ability to withstand an applied load without failure or plastic deformation. The FIELD of strength of materials deals with forces and deformations that RESULT from their acting on a material.

Say you create a solution with 200 GRAMS of table salt. One mole equals the molar mass of the solute which is 58.4538 grams. Divide the mass of the solute by the molar mass to get the NUMBER of moles of solute.

Answer:

MOLES of SOLUTE = MOLARITY * Volume

2.5M HCl * 0.5 L = 1.25 moles of HCl

Explanation:

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ANSWER:

14ltrs is the CORRECT answer ....

Answer:

Capillary columns are GAS CHROMATOGRAPHY (GC) columns that have the stationary phase coating their inner surfaces rather than being packed into the cavity. Capillary GC columns are used to ANALYZE samples for the INDIVIDUAL chemical compounds that they contain.

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Explanation:

weak ACIDS and bases DONOT COMPLETELY DISSOCIATES into IONS

ANSWER:

There are two types of extrinsic semiconductors: p-type (p for positive: a HOLE has been added through DOPING with a group-III element) and N-type (n for negative: an extra electron has been added through doping with a group-V element).

ANSWER:

We know that volume of 1 mole = 22.4 litres

i)0.3 moles of HCL = 0.3 x 22.4 = 6.72 L

ii) 4.4 g of CO₂ = 4.4/44 = 0.1 moles

Volume = 0.1 x 22.4 = 2.24 l

iii) 34 g of NH₃ = 34/17 = 2 moles

Volume = 2 x 22.4 = 44.8 l

ANSWER: (D)

EXPLANATION:

Answer:

Research has found that in addition to being self-soothing, shedding emotional tears releases oxytocin and endorphins. These chemicals make people feel GOOD and may also ease both PHYSICAL and emotional pain. In this way, crying can help REDUCE pain and PROMOTE a SENSE of well-being.

ANSWER:

BREAK is CORRECT answer for this QUESTION.

ANSWER:

H₂SO₄

Explanation:

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ANSWER:

the FORMULA is AgAlo2 is the answer

Explanation:

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The speaker of the poem is a SCHOOL-going child. Every day he happens to meet the hawker who sells bangles, the gardener who digs the garden and a watchman who keeps a close watch on the streets the whole night.

The child in the poem has an innocent mind. He watches all the people around him keenly. He strongly wishes he could lead his life his own way and enjoy the FREEDOM just as a hawker, a gardener or a watchman.

Firstly, on his way to school every day, he notices a hawker selling bangles and he wishes he could spend all his day on the road shouting, “Bangles, crystal bangles!”. He observes that the hawker has nothing to hurry him, there is no fixed road he must take, no definite route he must go to and no allocated time when he must return home. Seeing this liberty, the young boy wishes he could become a hawker and enjoy all these things too.

Secondly, the boy meets a gardener who is BUSY digging away the garden with his spade. He soils his clothes with dust and dirt and nobody scolds him for performing this task even if he gets baked in the sun or gets wet in rain or sweat. Seeing this, the young boy wishes that he could become a gardener so that nobody could scold him for digging the garden or for soiling his clothes in dust or even get sweaty due to sunshine.

Thirdly, the boy sees a watchman thr

ough his open window who walks up and down in the lonely dark lane and the street-lamp would stand like a giant with one red EYE in it’s head. He observes how the watchman swings his lantern and walks with his shadow at his side and he never goes to bed in his life. The young child wishes he could work like a watchman so that even he could walk the streets all night and chase the shadows with his lantern.

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ANSWER:

Planck postulated that the ENERGY of light is proportional to the frequency, and the constant that relates them is known as Planck's constant (h). His work led to Albert Einstein DETERMINING that light exists in discrete quanta of energy, or photons.

Answer:

EARTH, Water, Air, and Fire. The ancient Greeks believed that there were FOUR elements that EVERYTHING was made up of: earth, water, air, and fire. This theory was SUGGESTED around 450 BC, and it was later supported and ADDED to by Aristotle.

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Answer:

Reason: BaSO3 is a salt of weak acid (H2SO3), THEREFORE dilute acid such as HCl decomposes barium sulphate to PRODUCE sulphur DIOXIDE gas which has the smell of burning sulphur.

Violet

Dithizone is green in color in chloroform and lead-dithizone COMPLEX is violet in color, so the resulting color at the end of PROCESS is RED.

ANSWER:

There are three isomer: 1,2-dihydroxybenzene (the ORTHO isomer) is COMMONLY known as catechol, 1,3-dihydroxybenzene (the meta isomer) is commonly known as resorcinol, and 1,4-dihydroxybenzene (the para isomer) is commonly known as HYDROQUINONE. ... All three isomers have the chemical FORMULA C6H6O2.

Property 1: Cathode rays travel in a straight LINE and can cast SHARP shadows.

Property 2: Cathode rays are negatively charged. Property 3: Electric field and magnetic field deflect cathode rays.