Explore topic-wise InterviewSolutions in Current Affairs.

Answer:

1.i. a. CARBON monoxide

ii. a. HYDROGEN sulphide

2. i. AgNO3+NaCl--------) AgCl+NaNO3

it's a double displacement REACTION...

ii. ZnS + 4H2SO4 → ZnSO4 + 4SO2 + 4H2O

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ANSWER:

thermel ENERGY ATTRACTION

EXPLANATION:

A OPTION

Question:

Predict the total number of ATOMS in each case.

(i) Calcium phosphate

(II) Hydrogen sulphide

(III) Magnesium bromide

(iv) SODIUM oxide

(v) Aluminium hydroxide

__________________________________________________________

Answer:

(i) Calcium phosphate = Ca₃(PO₄)₂

Total atoms = 3 + 2(1+4) = 13 atoms

(ii)  Hydrogen Sulphide =H₂S

Total atoms = 2 + 1 = 3 atoms

(iii) Magnesium bromide = MgBr₂

Total atoms = 1 + 2 = 3 atoms

(iv) Sodium oxide = Na₂O

Total atoms = 2 + 1 = 3 atoms

(v) ALUMINUM hydroxide = Al(OH)₃

Total atoms = 1 + 3(1 + 1) = 7 atoms

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ANSWER: Here you go

Explanation: The molar MASS of ethanol with this chemical formula is 46.07 grams.

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ANSWER:

C4H8O2

ur answer BUDDY

ANSWER:

EXPLANATION:

LET OTHERS answer

Answer:

solids

The PARTICLES in the SOLID are touching with very little space between them. The particles in a liquid USUALLY are still touching but there are some spaces between them. The GAS particles have BIG distances between them.

Answer:

3 is the answer

Explanation:

LIKE ozone, the ELECTRONIC structure of the carbonate ion cannot be described by a SINGLE Lewis ELECTRON structure. Unlike O3, though, the actual structure of CO32− is an average of three resonance structures.

ANSWER:

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Answer:

H2O is the oxidizing AGENT; it gives oxygen to carbon, which is oxidized to CO. Chlorine is the oxidant, it REMOVES hydrogen from H2S, THEREBY oxidizing it to sulphur. Fluorine removes hydrogen from the water, therefore, fluorine is the oxidant. The water is oxidized to oxygen.

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Answer:

1.437822 * 10 ^5

Explanation:

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ANSWER:

Poeceae is the SCIENTIFIC NAME of GRASS.

Answer:

BEACUSE the RESISTIVITY LEVEL of these Compound is LOW

Answer:

(C) He

Explanation:

all other molecules will have intermolecular hydrogen bondings which are strong.

in He there is WEAK VANDER WAAL FORCES of attraction.

Explanation:

2Ca+O2 = 2Cao

Mg+Cl2=mgcl2

al2o3+ 3hcl= 2alcl3 + 3H2O + co2

zn + H2O= zno + H2

2li+H2= 2lih

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ANSWER:

MOLARITY = 3.48 M

MOLALITY = 4.35 m

Answer
Is d 33 DEGREE
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ANSWER:

the FORMULA will be XY because VALENCY is same

Answer:

5.56728*10^3

Explanation:

ANSWER:

B. H2SO4. .............I don't KNOW SURELY

ANSWER:

PLEASE COMPLETE the QUESTION DEAR....

a. DILUTE ACID

.............

Answer:

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Answer:

pure water or FRESH water or DISTILLED water does not contain impurities.. So therefore it doesn't conduct ELECTRICITY.Any impurities, LIKE salts, in the water enable it to conduct electricity. 

ANSWER:

Hi the answer is below

Explanation:

A number of processes have been designed to remove hydrogen SULFIDE from drinking water. For levels up to 75 mg/L chlorine is used in the purification PROCESS as an oxidizing chemical to react with hydrogen sulfide. This reaction yields insoluble solid sulfur.

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OPTION 2 is CORRECT 3X.....

ANSWER:

Answer

Let X and y be the ATOMIC weights of X and Y

Given 0.1 mole of XY

2

weighs 10g

⇒x+2y=

0.1

10

=100⟶(1)

0.05 mole of X

3

Y

2

weighs 9g

⇒3x+2y=

0.05

9

=180⟶(2)

(1)⇒x=100−2y

Substituting for x in Equation (2)

⇒3(100−2y)+2y=180

⇒300−6y+2y=180

⇒y=30

Hence x=100−2(30)=40

ANSWER:

you will GET the answer in LAB

ANSWER:

LI2CO3--LI2O + co2

and

mgco3 ----- mgo+ co2

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but there is no option in ur option BOX

ANSWER:

the ethnic composition of the SINHALA speakers are BUDDHIST most of the Sinhala speakers are Buddhist most of the Tamils are either of the Tamils there is liye main unko

ANSWER:

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Explanation:

Not LOOKING WELL.

Answer:

Explanation:

Liquid thermometers often include both Celsius and Fahrenheit temperature SCALES, which are DISPLAYED on either side of the tube. A MAXIMUM thermometer is a FAMILIAR type of liquid thermometer.J

ANSWER:

HYDROGEN peroxide

Explanation:

Answer:

Cu + 2AgNO3 ---------> Cu(NO3)2 + 2Ag

Mg + CUO ----------->MgO + Cu

2Al + 3ZnSO4 ----------> Al2(SO4)3 + 3Zn

Zn + CuSo4 -------> ZnSO4 + Cu

MgCl2 + Al -------------> No REACTION

ANSWER:

scary

Explanation:

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ANSWER:

computer

Explanation:

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ANSWER:

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Answer:

On the basis of physical STATES of solvent and SOLUTE can be CATEGORIZED as solid, liquid and gaseous solutions. ... In liquid solutions, solid, GAS or liquid is mixed in a liquid state. Gaseous solutions are usually homogenous mixtures of gases LIKE air.

EXPLANATION:

uyetyestjttsytwjjhtwywththtwyhwy

Answer:

As a noun, assay means a test or appraisal to determine the components of a substance or object. As a VERB, it refers to the act of analyzing, or of conducting that test. It is USUALLY USED in chemistry-related fields LIKE metallurgy and PHARMACEUTICALS, but you can also assay a poem.

Answer:

When we considered the EFFECTS of protic solvents, REMEMBER that the IODIDE ANION was the strongest NUCLEOPHILE.

Answer:

The MOLAR CONDUCTIVITY is 124 S CM ^2   mol  ^−1

Answer:

2.188 KJ

....................................

ANSWER:

ISOTOPE

....................................

Volume occupied by 10^2 molecules of water is cm³

Explanation:

Molecular weight of water = 18

We KNOW that 1 mole of water contains = molecules

Therefore, 100 molecules of water

=

= moles

= gram

= gram

= kg

Given density of water = 1 kg/L

Therefore, the volume occupied by kg of water

LITRE

cm³

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Answer:

here is ur anss.. HOPE it HELPS.. :)

EXPLANATION:

Yes, corrosion can be advantageous ti us. Fkr examole:

Advantages of corrosion -

Protection : Surface corrosion forms an oxide layer which further protects the inner metal form corrosion.

Corrosion prevents corrosion : Some metals like zinc are used as sacrificial anodes to prevent corrosion to other metal.

Galvanic corrosion : The principle on which primary batteries work. In which one metal corrodes preferentially to ANOTHER when both metals are in electrical contact, in the PRESENCE of an electrolyte.

ANSWER:

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ANSWER:

to be titrated with 0.1 M ACIDIC SOLUTION to get NEUTRAL soln

Explanation:

2Ca3(PO4)2 + 6SiO2 → P4O10 + 6CaSiO3

Tricalcium Phosphate + Quartz = Tetraphosphorus Decaoxide + Wollastonite

Reaction Type

Double Displacement (Metathesis)

Reactants

1. Tricalcium Phosphate - CA3(PO4)2

• Oxidation Number
• Bone Phosphate Of LIME BCP TCP Tricalcium Orthophosphate CALCIUM Phosphate Tertiary Calcium Phosphate Calcium Orthophosphate Ca3(PO4)2

2. Quartz - SiO2

• Oxidation Number
• α-aQuarz Rock Crystal Silicon Dioxide SiO₂ (SiO2)n Silicic Anhydride [SiO2] Silica

Products

1. Tetraphosphorus Decaoxide - P4O10

• Oxidation Number
• (P2O5)2 Phosphorus(V) Oxide P4O10 Phosphoric Anhydride Diphosphorus PENTOXIDE Phosphorus Pentoxide

2. Wollastonite - CaSiO3

• Oxidation Number
• Pseudowollastonite Wollastonite-4A Calcium Metasilicate Monocalcium Silicate

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ANSWER:

Thermal decomposition, or thermolysis, is a chemical decomposition caused by heat. The decomposition temperature of a SUBSTANCE is the temperature at which the substance CHEMICALLY decomposes. The reaction is usually endothermic as heat is REQUIRED to break chemical bonds in the COMPOUND undergoing decomposition.

Explanation:

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