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YES it's TRUE.......

...

...

ANSWER:

TRUE is the CORRECT answer

ANSWER:

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Explanation:

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ANSWER:

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Mg + O2 = MgO

balancing ,

2MG + O2 = 2MgO

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Answer:

hii there

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Explanation:

a) weather balloons

B) advertising signboard

c) electric bulb

d) SEMICONDUCTOR

E) THERMOMETER

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ANSWER:

Because it is DRY

Explanation:

Once it is dry the WATER MOLECULES finish and it is dry, so it catches fire easily

Ok bro

Answer:

Coke is a GREY, hard, and porous fuel with a high carbon content and few impurities, made by HEATING coal or oil in the absence of air—a destructive distillation process. It is an important industrial product, used mainly in iron ore SMELTING, but ALSO as a fuel in STOVES and forges when air pollution is a concern.

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Explanation:

here is your ANSWER BRO this is HELPFUL to you good morning have great DAY at work .

An ion is a positively or negatively charged ATOM (or group of atoms). An ion is formed by the loss or gain of electrons by an atom, so it CONTAINS an unequal number of electrons and PROTONS. Example: Sodium ion Na+, magnesium ion Mg2+, CHLORIDE ion Cl–, and oxide ion O2–.

ANSWER:

?

EXPLANATION:

I didn't UNDERSTAND UR QUESTION

ANSWER:

MOLES= mass/mwt

1)250/120

2)10/58.5

3)180/98

ANSWER:

FALSE PLEASEEEE FOLLOW KAR seddeeeeee folllowowowowo

ANSWER:

before the pot was not baked the CLAY shape was weak and sticky and after baking it becomes hard and soft

EXPLANATION:

baking ROAST the pot making it hard

Answer:

60%

EXPLANATION:

MARK as BRAINLIST ...PLEASE

Answer:

Terry WOOL

EXPLANATION:

Terry wool is a blend of terylene and wool.

ANSWER:

A. SOLUBILITY in water

Explanation:

ANSWER:

diamond RING is the HIGHEST compound KNOWN to us

ANSWER:

STAY CALM..

don't hemper..

these PEOPLE are like this only.. they don't understand..

Answer:

NACL , it MEANS C is the CORRECT one......

ong>ANSWER:

I dont KNOW

Explanation:

sorry

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I HOPE answer you know

Hello MATE,

EXPLANATION:

Answer : OXYGEN

ong>Answer:

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Explanation:

MOLECULE is a group of two or more atoms held together by chemical bonds. A COMPOUND is a SUBSTANCE which is FORMED by two or more different types of elements which are united CHEMICALLY in a fixed proportion. All molecules are not compounds. ... An example of a compound is table salt (sodium chloride).

2

Rate of reaction is decided by the rate constant of the reaction. The higher rate constant implies a faster rate of the reaction.

Also, the extent of completion of reaction depends on its equilibrium constant, K. If K is greater, the extent of completion is greater.

Hence, the correct option is A

ong>Answer:

CERTAIN tests or essentials have been laid down by the jurists which a CUSTOM must satisfy for its judicial recognition. One of the essentials of a valid custom is antiquity, i.e., custom should be recognised as law must be PROVED to be in existence from time immemorial. In Subramanian Chettiar v. Kumarappa Chettiar, custom has been defined as, "Aparticular rule which has EXISTED from the time immemorial and has obtained the force of law in a particular locality."

Customs also represent the common consciousness of a group, its SENSE if what is fitting, decorous and seemly. It corresponds somewhat to the literate notion of equity, whether legal or moral.

Explanation:

The Bronsted-Lowry theory defines an acid as a donor of protons.

A base is defined as a proton acceptor (or H+ ion acceptor) by this theory.

Bronsted acids undergo dissociation to yield protons and therefore INCREASE the CONCENTRATION of H+ ions in the solution.

WHITE PRECIPITATE will be formed

ong>Answer:

Family Science is the SCIENTIFIC study of families and close INTERPERSONAL relationships. A UNIQUE combination of CHARACTERISTICS establishes Family Science as a distinct discipline and APPROACH to practice: Focused on relationships.

um Bicarbonate is the monosodium salt of carbonic acid with alkalinizing and electrolyte replacement properties. Upon dissociation, sodium bicarbonate FORMS sodium and bicarbonate IONS. Ion FORMATION increases plasma bicarbonate and buffers excess hydrogen ion concentration, resulting in raised BLOOD PH.

false mean doesnt ALWAYS be of the same data sometimes the AVERAGE of any two member in the GIVEN data is considered to be mean.

ong>ANSWER:

ISOBUTYLAMINE is an EXAMPLE of 1° amine.

Explanation:

i hope it's helpful

ong>Answer:

HEMOGLOBIN

Explanation:

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ISOBAR number is correct

6 PROTONS, 6 neutrons

Explanation:

Hope this answer HELP you.

ong>Answer:

potassium chlorate

The head of safety matches are made of an oxidizing agent such as potassium chlorate, mixed with SULFUR, fillers and glass powder. The side of the BOX CONTAINS red phosphorus, binder and POWDERED glass.

NIFDFOSUI≈≈≈DIFFUSION

ong>Answer:

Distillation: Distillation is a method used to isolate boiling point liquids and CONSISTS of gaps of at LEAST 50 DEGREES. ... Fractional distillation is a method used to isolate liquids which boil closer. In order to produce pure components the process MUST be replicated MANY times.

1. oxygen

2. ductility

3. chemical

4. ozone

5. metals

6. FABRIC (I guess)

7. aluminum

8. water

9. Ernest Rutherford

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MASCARA

Explanation:

mascara,blush, foundation

ong>Answer:

USING any transition metal catalyst (Pt, PD, Ni) for hydrogenation of alkynes results in SYN hydrogenation to not alkenes but alkanes. Using Lindlar's catalyst results in syn hydrogenation of an alkyne to an alkene.

In the case of sodium metal (not a transition metal) in AMMONIA, hydrogenation of alkynes results in a trans alkene.





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Explanation:

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200 atmos (atmosphere) represents the PRESSURE at which the reaction TAKES PLACE.

ong>Answer:

Molecule, a GROUP of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and STILL retain the composition and CHEMICAL PROPERTIES of that substance.

d)

EXPLANATION:

Stainless steel।। is CORRECT

harqmi

Explanation:

LIFE only for

S

E

X

EXPLANATION.

Phosphorus Penta chloride is heated in a sealed tube at 700k.

⇒ PCI₅(g)  ⇆  PCI₃(g) + CI₂(g).

⇒ Kp = 38 atm.

vapor density of a mixture = 74.25.

As we know that,

Some concept.

Relationship between Degree of DISSOCIATION (α) and vapor density.

For dissociation reaction,

⇒ Aₙ(g) ⇆ nA(g).

Degree of Dissociation(α) = No of moles dissociated/Total no of moles TAKEN.

M(t) = theoretical (calculated) molecular weight.

M(o) = observed (experimental) molecular weight.

D = theoretical vapor density.

d = observes vapor density.

n = number of moles of product formed from 1 mole reactant.

Density of gas mixture = PM/RT.

As we know that,

vapor density = Molecular weight/2.

⇒ 74.25 = molecular weight/2.

⇒ Molecular weight = 148.5.

Molecular weight of PCI₅ = 31 + 35.5 x 5 = 208.5.

⇒ M(t) = PCI₅ = 208.5.

⇒ M(o) = 148.5.

Put the value in equation, we get.

⇒ α = 208.5 - 148.5/148.5(2 - 1).

⇒ α = 60/148.5

⇒ α = 0.404.

Percentage dissociation = α x 100.

Percentage dissociation = 0.404 x 100 = 40.4.

MORE INFORMATION.

LE CHATELIER'S PRINCIPAL.

(1) = Increase of reactant CONCENTRATION = shift forward.

(2) = Decreases of reactant concentration = shift backward.

(3) = Increases in pressure = Form more moles to less moles.

(4) = Decreases of pressure = Form less moles to more moles.

thing in living organisms.= Oxygen

Batteries used in cars and UPS=carbon(graphite)

Preservation of biological samples=nitrogen(NON reactive )

Disinfectant for water =chlorine

Pigment in BLACK PRINTING ink =LEAD

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Explanation:

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