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Redox is a TYPE of chemical reaction in which the OXIDATION states of atoms are CHANGED. Redox REACTIONS are characterized by the actual or formal transfer of ELECTRONS between chemical species, most often with one species undergoing oxidation while another species undergoes reduction.

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1. India

2. Brazil

3. 2015

4. Brazil (50) India (130)

5. 1995

6. The investment for the domestic TOURISM INDUSTRY and the foreign tourism industry was increased a lot. ... Many other factors like transportation, hotel MANAGEMENT system and other necessary tourism components got major upgrades. That's why the Indian tourism was developed a lot,since the year of 2010.

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.

ANSWER:

The FORMATION of cyanohydrin form a ketone is an example of NUCLEOPHILIC addition reaction.

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The formation of cyanohydrin

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.

EXPLANATION:

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

ANSWER:

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Once the 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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Answer:

a. CUO +CO gives Cu + CO2

b. KCLO3 _heat gives KCL +O2 -

c.Zn +H2SO4 gives ZnSO4 + H2

Explanation:

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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

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Aaditya Singh

Answer:

The CHARGE of the cation will be POSITIVE if the electron is REMOVED from outermost shell

ANSWER:

it is the EXAMPLE of SELECTIVE OXIDATION

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

ANSWER:

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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:

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ANSWER:

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Explanation:

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EXPLANATION:

(L) DECREASE in FREE ENERGY

Answer:

i) CuCO3

ii) PB(NO3)2

III) CuSO4.5H2O

iv)

v)

ANSWER:

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ANSWER:

क) 1

ख)1

ग)2

घ)4

ड)2

यह इसका उत्तर है

EXPLANATION:

Calculating the Hydronium Ion Concentration from pH [H3O+] = 10-pH or [H3O+] = antilog (- pH) Example: What is the hydronium ion concentration in a SOLUTION that has a pH of 8.34? On a CALCULATOR, calculate 10-8.34, or "INVERSE" LOG ( - 8.34).

ANSWER:

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Answer:

7.20 (B)

EXPLANATION:

the PH of a SOLUTION is 7.20

ANSWER:

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ANSWER:

NH3

Explanation:

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ANSWER:

B. H3O+ 7.2× 10^-3 is ACIDIC

C. OH-

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PH + POH =14

10.18+POH=14

POH=14-10.18

POH =3.82

OPTION (C) IS CORRECT.

Answer:

GRAPHITE on the other hand, although also only made up of CARBON atoms, is the only non-metal that can conduct electricity. This is because only 3 of the available valence electrons form covalent bonds leaving 1 spare electron, which then becomes delocalised.

We are given that -

[OH⁻] = 5.8 * 10⁻¹⁰  M

We need to find -

=> pH of this solution.

Procedure Used -

1. Find the pOH using -log₁₀[OH⁻ ]
2. SUBTRACT the pOH from 14 to get the pH (pH + pOH = 14)

Let's Solve -

=> pOH = -log₁₀[5.8 * 10⁻¹⁰ ]        ( log₁₀[5.8 * 10⁻¹⁰ ] = -9.236 )

=> pOH = -1 * -9.236

=> pOH = 9.236 (approx.)

=> pH + pOH = 14

=> pH + 9.236 = 14

=> pH = 14 - 9.236

=> pH = 4.764

=> pH = 4.76 (rounded off to the NEAREST HUNDREDTHS)

Answer -

=> THUS, the correct answer is (C) 4.76 .

More to know -

=> This compound has a pH below 7, so it is acidic.

=> It can be considered to be a weak acid as it has a pH close to 5.

ANSWER:

Ka×Kb =KW is incorrect relationship

ANSWER:

answer is B SODIUM CARBONATE

Answer:

Hydrogen gas combines with nitrogen to FORM ammonia.

(b) Hydrogen sulphide gas BURNS in air to give water and sulphur dioxide.

(C) Barium chloride REACTS with ALUMINIUM sulphate to give aluminium chloride and a precipitate of barium sulphate.

(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

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Answer:

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ANSWER:

Answer:

The the Total hardness and PERMANENT hardness of a water sample is FOUND to be 99.01 ppm and 43.50 ppm. The TEMPORARY hardness will be

Answer Your Question

AO 5.51 ppm

BO 55.51 ppm

CO0.551 ppm

DO 50.55 ppm

ANSWER:

EXPRESSION is P1 v1=p2v2

Explanation:

COPPER hydroxide + NITRIC acid

ug wulu EQUATION:

→ Copper nitrae + wa

Explanation:

First , we need to find the moles of the gaseous substance .

As per the formula ,

\BEGIN{gathered}\IMPLIES\mathtt{ moles = mass / molar\: mass} \\\END{gathered}

⟹moles=mass/molarmass

⇒ moles = 5 / 200

⇒ moles = 1 / 40

⇒ moles = 0.025

As per the relation ,

\begin{gathered}\implies \mathtt{moles = VOLUME / 22.4 L (NTP )} \\\end{gathered}

⟹moles=volume/22.4L(NTP)

⇒ volume = moles X 22.4

⇒ volume = 0.025x 22.4

⇒ volume = 0.56 L

The volume of the substance at NTP is

EXPLANATION:

ANSWER:

Explanation:

ANSWER:

a MEASURE of the energy contained in the crystal lattice of a compound, EQUAL to the energy that would be released if the component ions were brought TOGETHER from infinity.

Explanation:

Answer:

(a) FOG : Liquid (water drops) acts as dispersed phase and gas (AIR) as the dispersion medium. (b) Cheese : Solid (FAT) acts as the dispersed phase and water (liquid) as the dispersion medium. (c ) Coloured gem STONE : SOLIDS act as the dispersed phase as well as the dispersion medium.

ANSWER:

BENZENE have the MAXIMUM RESONANCE ENERGY...!

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Explanation: I don’t KNOW the ANSWER

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Answer:

probablyb.C 2 H 5 O H. MAY be CORRECT