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Answer:

4 hydrogen

5. KEROSENE

Explanation:

The Indo-Gangetic Plain, also KNOWN as the Indus-Ganga Plain and the NORTH Indian River Plain, is a 2.5-million km2 (630-million-acre) fertile plain encompassing northern regions of the Indian subcontinent, including most of northern and EASTERN INDIA, the eastern parts of Pakistan, VIRTUALLY all of Bangladesh

ANSWER:

FBI is the CURRET answer

ANSWER:

REACITIVITY series of METALS is in Decreasing ORDER.

ANSWER:

HII I think that it helps you

Explanation:

1. Rutherford and coworkers were able to demonstrate that the alpha particle was an atom of helium (later to be determined to be a NUCLEUS of helium), and that helium gas would accumulate or be ENTRAPPED in minerals that CONTAINED radium.

2. Atoms are made up of particles called protons, neutrons, and electrons, which are responsible for the mass and charge of atoms.

3. Among all forms of matter, solid state has minimum space between the particles.

4. compressed natural gas

This is the acronym for compressed natural gas (CNG).

5. Solid

Solid is the substance having definite shape as well as definite volume.

ANSWER:

Explanation:

The burning of wood

is a CHANGE which results in the

formation of COAL.

Answer:

2) METTALOIDS

........

Answer:

1. helium

2.neutrons and PROTONS

3.solid STATE

4.compressed NATURAL gas

5.solid state

ANSWER:

Okayy

Explanation:

i)BASES with bases

ii)Matelloids

ANSWER:

fgjj is the CURRET answer

Answer:

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Explanation- Neutron, NEUTRAL subatomic particle that is a constituent of every atomic NUCLEUS EXCEPT ordinary hydrogen.

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Explanation:

1- RECYCLE it

2-PLASTIC throw in dustbin because animal animal EATS plastic

Answer:

2

Explanation:

OPTION............

Answer:

The nucleus of hydrogen consists of only a SINGLE PROTON (in the case of hydrogen-1 or protium), or it MAY also include one or more neutrons (giving deuterium, tritium, and other isotopes). The electron is bound to the nucleus by the Coulomb force.

Explanation:

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ANSWER:

no sodium cannot STORED in water as it will react with water vigorously and produce a LARGE AMOUNT of HEAT

ANSWER:

CARBON MONOXIDE......,..

ANSWER:

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

EXPLANATION:

?????/6596!??!6'

ANSWER:

i GUESS DIFFUSION is the answer

ANSWER: SORRY don't know

Explanation:

Explanation:

In physics, a FORCE is any interaction that, when unopposed, will change the motion of an OBJECT. A force can CAUSE an object with mass to change its VELOCITY, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.

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n.

Immediately measure the length of FOAM produced.

The QUANTITY of INK PUT on each piece of cloth should be equal.

Answer:

Hydrogen

Metals that react with steam form oxides. Hydrogen is always PRODUCED when a METAL reacts with COLD water or steam.

...

Reactivity series of metals.

Order of reactivity Metal REACTIONS with water or steam

Third most reactive calcium (Ca) less vigorous reaction with cold water

answer (a)

Answer:

1) High HEAT capacity is not CHARACTERISTIC of water

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JUNGKOOK

Answer:

11)

When thermal energy is added to a substance, its temperature INCREASES, which can CHANGE its state from solid to liquid (melting), liquid to gas (vaporization), or solid to gas (SUBLIMATION). ... When the pressure exerted on a substance increases, it can cause the substance to condense.

12)

Explanation: Gases can be compressed, because they just take up whatever SPACE is available to them. This is because gases consist of molecules that have too little interactions between them to stick together. They just move along until they collide, either with a WALL or with each other.

Answer:

a) orbital in nitrogen is more stable than in oxygen, which has one electron more than the half-filled configuration. So, the ionization energy of nitrogen is more than that of oxygen

b)The atomic radius of atoms generally decreases from LEFT to right ACROSS a period. ... Within a period, protons are added to the NUCLEUS as electrons are being added to the same principal energy level. These electrons are gradually pulled CLOSER to the nucleus because of its increased positive charge.

Explanation:

I HOPE it's helpful for you.

Answer:-

The formula of 'X' is MgAl₂O₄ [Option.b]

Explanation:-

→ Charge of MAGNESIUM ion = +2

→ Charge of Aluminium ion = +3

→ Charge of OXIDE ion = -2

Now, we know that net charge of an ionic compound is always zero. So among the given OPTIONS, the compound having net charge zero will be the answer.

For Option (a):-

Net charge :-

= 2(+2) + 1(+3) + 4(-2)

= 4 + 3 - 8

= -1

For option (b):-

Net charge :-

= 1(+2) + 2(+3) + 4(-2)

= 2 + 6 - 8

= 0

For option (c):-

Net charge :-

= 1(+2) + 1(+3) + 4(-2)

= 2 + 3 - 8

= -3

For option (d):-

Net charge :-

= 4(+2) + 1(+3) + 4(-2)

= 8 + 3 - 8

= +3

________________________________

The net charge in MgAl₂O₄ is zero, so it is the required answer!

Answer:

POSITIVES REPRESENTS PROTON, negative - electron, 0+neutrons

ANSWER:

TEARING of paper

Explanation:

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ANSWER:

water can be dirty or the sudden ACTION of DRINKING water can do this

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The term composition (from Latin com- "with" and ponere "to place") as it REFERS to writing, can DESCRIBES writers' decisions about, processes for designing, and sometimes the final product of, a document. In ORIGINAL use, it tended to describe practices concerning essays, narratives, or genres of imaginative literature, but since the mid-20th century emergence of the field of composition studies, its use has broadened to APPLY to any composed WORK: print or digital, alphanumeric or multimodal.

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Answer:

When an ACID react with a metal it liberates hydrogen gas. To test the presence of H2 gas, BRING a burning splinter near the mouth of the test TUBE where H2 gas is released, the match stick bums with a pop SOUND.

ANSWER:

SORRY I don't KNOW the answer

Middle zone REPRESENTS the partial COMBUSTION in CANDLE flame

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For this reason, some people STORE butter on the COUNTER rather than in the fridge.

For this reason, some people store butter on the counter rather than in the fridge.But does butter go bad if you leave it out? This ARTICLE explores whether it actually NEEDS to be refrigerated or not.

Explanation:

Potential energy, STORED energy that DEPENDS upon the relative position of various parts of a system. A spring has more potential energy when it is COMPRESSED or stretched. A STEEL ball has more potential energy raised above the ground than it has after falling to Earth.

Answer:

NA is oxidised and O2 is REDUCED

Cu is reduced and H2 is oxidised to water

Answer:

Acid-base indicators are CHEMICALS used to determine whether an AQUEOUS solution is ACIDIC, neutral, or alkaline. Because acidity and alkalinity relate to pH, they may also be known as pH indicators. Examples of acid-base indicators include LITMUS PAPER, phenolphthalein, and red cabbage juice

Explanation:

i COULD only UNDERSTAND POTTASIUM hydroxide. plz write the word EQUATION properply.

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).

ANSWER:

WHITE PRECIPITATE will be FORMED

ANSWER:

6 PROTONS, 6 neutrons

Explanation:

HOPE this answer HELP you.

Answer:

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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Happy to HELP!!

ANSWER:

MASCARA

Explanation:

mascara,BLUSH, FOUNDATION

ANSWER:

d)

EXPLANATION:

STAINLESS steel।। is CORRECT

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.

ANSWER:

HOPE THIS HELPS U

Explanation:

Answer:

Ne=10E- and no. of protons = 10

Al³+= 10e- and 13 protons (I had TAKEN f as +)

O²-= 10e- and 8 protons

N³-=10e- and 7 protons

GAS. The atoms and molecules in gases are much more SPREAD out than in solids or liquids. They vibrate and move FREELY at HIGH speeds. ... Gas can be compressed much more EASILY than a liquid or solid.