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Mendeleev

Explanation:

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ᴛʜɪs ᴘʀᴏᴄᴇss ɪs ᴄᴀʀʀɪᴇᴅ ᴏᴜᴛ ʙʏ ᴅɪᴘᴘɪɴɢ ᴀ ᴄʟᴇᴀɴ ɪʀᴏɴ sʜᴇᴇᴛ ɪɴ ᴀ ᴢɪɴᴄ ᴄʜʟᴏʀɪᴅᴇ ʙᴀᴛʜ ᴀɴᴅ ᴛʜᴇɴ ʜᴇᴀᴛɪɴɢ ɪᴛ. ᴀғᴛᴇʀ ᴛʜɪs ɪʀᴏɴ sʜᴇᴇᴛ ɪs ʀᴇᴍᴏᴠᴇᴅ, ʀᴏʟʟᴇᴅ ɪɴᴛᴏ ᴍᴏʟᴛᴇɴ ᴢɪɴᴄ ᴍᴇᴛᴀʟ ʙᴀᴛʜ ᴀɴᴅ ғɪɴᴀʟʟʏ ᴀɪʀ-ᴄᴏᴏʟᴇᴅ. ... ᴄᴏʀʀᴏsɪᴏɴ ʀᴇsɪsᴛᴀɴᴛ ᴍᴇᴛᴀʟs ʟɪᴋᴇ ᴢɪɴᴄ (ᴢɴ), ᴛɪɴ ᴀʀᴇ ᴄᴏᴀᴛᴇᴅ ᴏɴ ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴏғ ɪʀᴏɴ ᴛᴏ ᴘʀᴏᴛᴇᴄᴛ ɪᴛ ғʀᴏᴍ ᴄᴏʀʀᴏsɪᴏɴ.

◆ ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ ᴅᴇᴀʀ ◆

ong>Answer:

An electrolyte is a SUBSTANCE that produces an ELECTRICALLY conducting SOLUTION when dissolved in a polar solvent, such as WATER. The dissolved electrolyte SEPARATES into cations and anions, which disperse uniformly through the solvent. Electrically, such a solution is neutral.

ong>Answer:

HYDRAZINE | N2H4 or H2NNH2 or H2N-NH2 or H4N2 | CID 9321 - structure, chemical names ... USED as a rocket PROPELLANT and in fuel cells.

CFC CHLOROFLUOROCARBONS

ong>Answer:

Being successful means the ACHIEVEMENT of desired visions and planned goals. Furthermore, success can be a CERTAIN SOCIAL status that DESCRIBES a prosperous person that COULD also have gained fame for its favorable outcome. The dictionary describes success as the following: “attaining wealth, prosperity and/or fame”.

Explanation:

hope it helps

ong>Answer:

1. it is divided into four range. They are (i) Tibetan / Tethys / Trans Himalayas, (ii) Central / Greater Himalayas or Himadri Ranges, (III) Lesser Himalayas or HIMACHAL Ranges and (iv) Outer / Sub Himalayas or Siwalik Ranges.

2. it is a piece of subcontinental lad which is SURROUNDED by water.

3. KANDLA port

4. KANGCHENJUNGA it is 8586 m

5.

ong>ANSWER:

The formation of CYANOHYDRIN FORM a KETONE is an example of nucleophilic addition reaction.

https://www.toppr.com › question

The formation of cyanohydrin

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ii) UNSTABLE oxide layer:

This is formed on the surface of noble metals such as Ag, AU, Pt. As the METALLIC STATE is more stable than oxide, it decomposes back into the metal and oxygen. Hence, oxidation corrosion is not possible with noble metals.

ong>Answer:

Sphingolipid, any member of a class of LIPIDS (fat-soluble constituents of LIVING cells) containing the organic ALIPHATIC amino alcohol sphingosine or a substance structurally SIMILAR to it. Among the most simple sphingolipids are the ceramides (sphingosine plus a fatty acid), widely distributed in small amounts in plant and animal tissues. The other sphingolipids are DERIVATIVES of ceramides.

ong>ANSWER:

Thunder is the sound caused by lightning. ... The sudden increase in pressure and TEMPERATURE from lightning produces rapid expansion of the air within and surrounding the path of a lightning strike. In turn, this expansion of air creates a sonic SHOCK WAVE, often referred to as a "thunderclap" or "PEAL of thunder".

according to vedantu evidently the rate constant does not depend UPON the unit of concentration for reaction of first order hence the CORRECT OPTION is first

Na - [NE] 3s1

Mg - [Ne] 3s2

Sodium has one VALENCE electron in 3s1 and by losing this electron it attains stable configuration. THEREFORE the 1st ionization energy of Na is less than Mg. After removing an electron the Na attains noble gas configuration whereas Mg has one electron left. To remove an electron from a noble gas configuration high energy is required.

Therefore the second ionization enthalpy is higher than that of magnesium.

ong>Answer:

Laboratory GLASSWARE - Wikipedia

Laboratory glassware refers to a variety of equipment used in scientific work, and traditionally MADE of GLASS. Glass can be blown , BENT, cut, ...

MISSING: double ‎mouth

YOUR ANSWER IS THIS.

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ong>Answer:

In milk, dispersion medium is liquid, the dispersed phase is liquid. Based on the state of dispersed phase, COLLOID is EMULSION.

ong>ANSWER:

Web browser is a program for getting connected to WWW and VIEWING any INFORMATION on it .

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e GASES reach the nozzle, they EXPERIENCE an adiabatic, reversible expansion process which is accompanied by a drop in temperature and pressure and a conversion of thermal ENERGY into kinetic energy. Therefore expansion of gas coming out of nozzle is a reversible process.
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2SO4 and CALCULATE the PERCENTAGE composition of OXYGEN in it [R.A.M of N=14, S=32, O=16, H=1]

a. CUO +CO gives Cu + CO2

b. KClO3 _heat gives KCL +O2 -

c.Zn +H2SO4 gives ZNSO4 + H2

Explanation:

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ong>Answer:

Explanation:

Start off with what you are given.

V

1

: 2.75L

T

1

:  

18

∘

C

V

2

: ?

T

2

:  

45

∘

C

If you know your GAS LAWS, you have to utilise a certain gas law called Charles' Law:

V

1

T

1

=

V

2

T

2

V

1

is the initial volume,  

T

1

is initial temperature,  

V

2

is final volume,  

T

2

is final temperature.

Remember to convert Celsius VALUES to Kelvin whenever you are dealing with gas problems. This can be done by adding 273 to whatever value in Celsius you have.

Normally in these types of problems (gas law problems), you are given all the variables but one to solve. In this case, the full setup would look like this:

2.75

291

=

V

2

318

By cross multiplying, we have...

291

V

2

= 874.5

Dividing both sides by 291 to isolate  

V

2

, we GET...

V

2

= 3.005...

In my school, we LEARNT that we use the Kelvin value in temperature to count significant figures, so in this case, the answer should have 3 sigfigs.

Therefore,  

V

2

= 3.01 L

Explanation:

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Hi good EVENING my dear friend

Salts, when placed in water, will often react with the water to produce H3O+ or OH-. This is known as a hydrolysis reaction. Based on how strong the ion acts as an acid or base, it will produce VARYING pH levels. When water and salts react, there are many possibilities due to the varying STRUCTURES of salts. A salt can be made of either a weak acid and strong base, strong acid and weak base, a strong acid and strong base, or a weak acid and weak base. The REACTANTS are composed of the salt and the water and the products side is composed of the conjugate base (from the acid of the reaction side) or the conjugate acid (from the base of the reaction side). In this section of chemistry, we discuss the pH values of salts based on several conditions.

Explanation:

Salts that are from strong bases and strong acids do not hydrolyze. The pH will remain neutral at 7. Halides and alkaline metals dissociate and do not affect the H+ as the cation does not ALTER the H+ and the anion does not attract the H+ from water. This is why NaCl is a neutral salt. In General: Salts containing halides (except F-) and an alkaline metal (except Be2+) will dissociate into spectator ions.

rong>ANSWER:

Mn Oxidation number is +2

Explanation:

[MnCl6]4-

Oxidation state or number of Mn

Let Oxidation Number of Mn be x

Then, x+6(-1) = -4 {as whole charge on MOLECULE is -4}

=> x - 6 = -4

=> x = +2

Therefore oxidation number of Mn is +2

Answered by —

Aaditya Singh

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ong>Answer:

The charge of the cation will be positive if the ELECTRON is REMOVED from outermost SHELL

please WRITE COMPLETE question. so i can answer that.

ous SERIES is a sequence of COMPOUNDS with the same functional GROUP and similar chemical properties in which the MEMBERS of the series can be branched or unbranched, or differ by -CH2

is it NCERT cbchxgtradchchcfxnvvhhc

oxygen

Explanation:

HOPE it's HELPFUL,,,,

@—

ong>Answer:

1. CaC2+H2O --> Ca(OH)2 + C2H2

  CaC2+2H2O --> Ca(OH)2 + C2H2

2. KHCO3+H2SO4--> K2SO4+CO2+H2O

   2KHCO3+H2SO4--> K2SO4+2CO2+2H2O

3. SO2+O2--> SO3

   2SO2+O2--> 2SO3

4. PbO+NH3--> PB + H2O +N2

   6PbO+4NH3--> 6Pb + 6H2O +2N2

5. KI + Cl2 --> KCL +I2

   2KI + Cl2 --> 2KCl +I2

ong>ANSWER:

it is the EXAMPLE of selective OXIDATION

is a CHEMICAL FORMULAE for WATER....

70% of our BODY WEIGHT is WATER

ong>Answer:

no of solute=4

vol of sol=100ml

molecular WEIGHT of NaOH= 40

=no of moles of solute/ vol of sol ( in kg)

= 4*1000/40*100

= 1 M

ong>Answer:

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EXPLANATION:

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ong>Answer:

(c) Enthalpy Definition. Enthalpy is defined as FOLLOWS H = E + PV. Enthalpy is the SUM of the internal energy. and pressure times volume.

Explanation:

Mark this answer as BRAINLIST if you think this is useful for you.

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my exam is FINISHED or me ab 10 th me chali GAI I am from maharashtra or because of spreading of corona my ONLINE exam is conducted by maharashtra government

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Explanation:

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GERMANIUM

scandium are some of two elements discovered by mendeleev

ong>EXPLANATION:

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