Explore topic-wise InterviewSolutions in Current Affairs.

Answer:

1,300 pounds••••••••••••••••••

Answer:

here are the ANSWERS DUDE.

Explanation:

please refer to the ATTACHMENT

Answer:

IQ stands for intelligence quotient it TEST all TOOL to measure intellectual abilities and potential

b. lead chromate is a compound which is used in yellow PAINT of SCHOOL buses

c. Rohan is a very intelligent boy as he cares every boy and it has a very MINDED

Answer:

have tried to solve this problem myself but i am not sure about the answer i know that is the net charge on FECL3 is zero (Fe +3 & cl is 3(-1) and for FeCl2 zero too ( Fe +2 & Cl 2(-1) so by using the equation of IONIC strength i end up with 1.7 is this answer is correct

Explanation:

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Where is the FIGURE...?

Incomplete Question

ANSWER:

CH3CH2 CH2 ch2 CI

Explanation:

CH3 ch2 ch2 ch2 ci

A CHEMICAL bond is a lasting attraction between ATOMS, ions or molecules that enables the FORMATION of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in IONIC bonds or through the sharing of electrons as in COVALENT bonds.

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Answer:

HYDROGEN is the first element of the periodic table as its atomic NUMBER is one, which means it has only one electron in its atom and thus only one electron is present in its outermost SHELL. ... It can attain the NOBLE gas configuration of HELIUM, by accepting one electron

ANSWER:

what's the QUE .....???

Answer:

The equivalent mass of an element is the mass of the element in grams that combines with 8 grams of oxygen or 1 GRAM of hydrogen. The equivalentmass of the METAL is 12. It means 12 grams of the metal combine with 8 grams of oxygen to GIVE 20 grams (12g+8g=20g) of the oxide

NaCl has a cubic unit cell. It is best thought of as a face-centered cubic array of anions with an interpenetrating FCC cation lattice (or vice-versa). The cell looks the same whether you start with anions or cations on the corners. Each ion is 6-coordinate and has a local octahedral geometry.

• Lattice Type: Face-Centered
• Cystal System: Cubic
• Cell PARAMETERS: a = 5.6402 Å, Z=4
• Alternate NAMES: Halite, rock SALT, sea salt, table salt, salt

Answer:

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EXPLANATION:

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COLLOID MIXTURES....

Answer:

3×10*MINUS 11

use FORMULA H UPON MV

Explanation:

Winnowing is defined as a method in which heavier components of the mixture are SEPARATED from the lighter SUBSTANCES with the help of wind but this process does not work for MATERIALS heavier than grains LIKE stones.

ANSWER:

hydrogen is PLACED in GROUP 1 because it is the only element which do not FILL any shell

Answer:

Salts are prepared by REACTING an acid with a metal or a base, such as a metal carbonate, HYDROXIDE or oxide. The acid provides the non-metal ion for the salt, e.g. chloride or sulphate or nitrate ions. The metal or base provides the metal ion for the salt, e.g. sodium or copper.

Explanation:

Sodium Chloride. Table salt, or sodium chloride, is the IONIC product of the combination of lye, or sodium hydroxide, and hydrochloric acid. .

Common salts used in day to day life: ⇒Sodium Chloride (NaCl) - commonly known as table salt, sodium chloride, is used in SEASONING food. It is also used in the making of soap and in the preservation of food. ⇒Sodium Bicarbonate (NaHCO₃) - this is used in baking powder, fire extinguishers and in medicine as antacid.

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Answer:

Nitric ACID(HNO3) is a strong oxidising AGENT. The Hydrogen gas produced during its reaction with metal gets oxidised to H2O, hence no hydrogen gas is produced.

Explanation:

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(IE)1​ of LI is highest in first group but it is best reducing agent in aqueous solution.

In first group, Li has smallest atomic size and hence, highest first ionization energy.

However it has high heat of hydration which more than compensates the ionization energy. This results in higher oxidation POTENTIAL of lithium and greater EASE with which the transformation Li(s)→Li+(aq)+e− occurs.

Hence, lithium is best reducing agent in aqueous solution.

Hence, the GIVEN statement is true

i hope it helpful for you

EXPLANATION:

here is your ANSWER to the QUESTION

ANSWER:

the PROCESS is CALLED HYDROLYSIS

Explanation:

Failure of boiler tubes is a very common phenomenon in a POWER plant. ... There are many reasons for boiler tube failures such as pitting, stress corrosion CRACKING, stress rupture, creep, erosion, and THERMAL fatigue [4], [5], [6], [7], [8]. The failed boiler tube in this investigation is MADE from 20G steel.

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ANSWER:

sp3

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ANSWER:

Homogeneous mixture

EXPLANATION:

ETHANOL of about 95 percent purity is known as rectified spirit. Rectified spirit is the constant boiling point mixture which ethanol forms with water, and usually contains 95.6 percent of ethanol.

'homo' means, same LIKE alcohol and water.

'hetero' means different like sodium CHLORIDE and sand.

Answer:

d) A is false but R is TRUE

EXPLANATION:

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जब ताप बढ़ाया जाता है तब साम्य पश्च दिशा में विस्थापित हो जाता है जिससे कि बढ़े हुए ताप को उदासीन किया जा सके। अतः अधिशोषक से गैस बाहर निकल जाती है।

ANSWER:

ehakjba akk

Explanation:

hshcbaajaj a

Answer:

4) is the correct option

Explanation:

From the question, 4 atoms of A REQUIRES 3 GRAM molecules of B4. so 2 g atoms require 2*3/4=1.5 So A is limiting reagent. 4C = 2A2+3B4. so C is AB3. so 2* NA ATOM of C will be formed.

ANSWER:

plaster of PARIS is used for toys design for building homes it is also used for SETTING of facture LEGS

Crystalline and POLYMER dimensions are plastic materials that are used in daily life. The moment of inertia HELPS to the dimensions.

Explanation:

• The moment of inertia is  
• L = I X ω
• Now L = r x p
• Put the VALUE of L
• r x p = I x ω
• [L] [MLT^2] = I T^-1
• As we know that T = 2π / ω
• I = [ML^2]
• h / I = ML^2T^-1 / ML^2 = T^-1

Answer:

12.044

EXPLANATION:

It is 2 MOLES.

EXPLANATION:

CH3-CH2-CH=CH2 +HBr--->

CH3-CH2-CH(Br)-CH3

This reaction happens according to Markonikoffs rule

Now reacting this with alcoholic KOH gives alkenes

CH3-CH2-CH(Br)-CH3 + KOH (ALC)——-> CH3CH=CHCH3 + KBR + H2O

ANSWER:

dilute sulphuric ACID (H2SO4) is the REQUIRED acid.

EXPLANATION:

here is your ANSWER to the QUESTION

ANSWER:

ᴍɪxᴛᴜʀᴇ ɪꜱ ᴀ ᴍᴀᴛᴇʀɪᴀʟ ᴍᴀᴅᴇ ᴜᴘ ᴏғ ᴛᴡᴏ ᴏʀ ᴍᴏʀᴇ ᴅɪғғᴇʀᴇɴᴛ ꜱᴜʙꜱᴛᴀɴᴄᴇꜱ ᴡʜɪᴄʜ ᴀʀᴇ ᴘʜʏꜱɪᴄᴀʟʟʏ ᴄᴏᴍʙɪɴᴇᴅ. ᴀ ᴍɪxᴛᴜʀᴇ ɪꜱ ᴛʜᴇ ᴘʜʏꜱɪᴄᴀʟ ᴄᴏᴍʙɪɴᴀᴛɪᴏɴ ᴏғ ᴛᴡᴏ ᴏʀ ᴍᴏʀᴇ ꜱᴜʙꜱᴛᴀɴᴄᴇꜱ ɪɴ ᴡʜɪᴄʜ ᴛʜᴇ ɪᴅᴇɴᴛɪᴛɪᴇꜱ ᴀʀᴇ ʀᴇᴛᴀɪɴᴇᴅ ᴀɴᴅ ᴀʀᴇ ᴍɪxᴇᴅ ɪɴ ᴛʜᴇ ғᴏʀᴍ ᴏғ ꜱᴏʟᴜᴛɪᴏɴꜱ, ꜱᴜꜱᴘᴇɴꜱɪᴏɴꜱ ᴀɴᴅ ᴄᴏʟʟᴏɪᴅꜱ.

Answer:

0.5 moles

Explanation:

Number of moles= Given mass/MOLAR mass

Given mass of H202 = 17 g

Molar mass of H202 = 34g

So, number of moles= 17/34

= 0.5 moles

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Explanation:

When a BALLOON filled with air is bursted, the burst balloon cannot be CHANGED back to its original shape and size. So, CHANGING of shape and size on BURSTING of balloon cannot bereversed back and is HENCE anirreversible change.

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Answer:

The MOLAR mass of iron is 55.845 g/mol. Therefore, the number of moles of iron in the PURE sample weighing 558.45 grams is: = 10 moles.

Explanation:

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METALLIC COPPER in pure form does not bond at all with glass. The surface of glass should be oxidized in order to have a copper metal bond with it. Also, the oxidized layer should be thick enough. So we can SAY that copper is one metal which does not STICK to glass.

Answer:

(i) Total number of electrons PRESENT in 1 methane molecule =6+4=10.

Total number of electrons RESENT in 1 mole of methane =10×6.023×10

23

=6.023×10

24

electrons.

The number of neutrons is equal to the difference in the MASS number and atomic number.

It is equal to $$\d

isplaystyle 14-6=8 $$.

(ii)(a) The number of neutrons present in 7 mg of C-14 is

14

6.023×10

23

×8

×7×10

10−3

=2.4088×10

21

neutrons.

(b) Total mass of neutrons in 7 mg of C-14 is 2.4088×10

21

×1.675×10

−27

4.035×10

−6

kg.

(iii)(a)Number of protons present in 1 molecule of ammonia =7+3=10.

Number of molecules present in 34 mg of ammonia is

17

6.023×10

23

×34×10

−3

=1.2044×10

21

.

Total number of protons present in 34 mg of ammonia=10×1.2044×10

21

=1.2044×10

22

(b) Total mass of protons present in 34 mg of ammonia at STP is 1.6726×10

−27

×1.204×10

22

=2.0138×10

−5

kg.

When temperature and pressure are changed, there is no difference in the answer.

Explanation:

What is Kohlrausch’s Law?

Kohlrausch’s law states that the equivalent conductivity of an electrolyte at infinite DILUTION is equal to the sum of the conductances of the anions and cations.

The molar conductivity of a SOLUTION at a given concentration is the conductance of the volume of solution containing one mole of electrolyte kept between two electrodes with the unit area of cross-section and distance of unit length. The molar conductivity of a solution increases with the decrease in concentration. This increase in molar conductivity is because of the increase in the total volume containing one mole of the electrolyte. When the concentration of the electrolyte approaches zero, the molar conductivity is known as limiting molar conductivity, Ëm°.

It's uses :

1) Kohlrausch observed certain regularities while comparing the values of limiting molar CONDUCTIVITIES of some strong electrolytes. On the BASIS of his observations, Kohlrausch proposed “limiting molar conductivity of an electrolyte can be represented as the sum of the individual contributions of the anions and cations of the electrolyte”. This law is popularly known as Kohlrausch law of independent migration of ions. For example, limiting molar conductivity, Ëm° of sodium chloride can be determined with the knowledge of limiting molar conductivities of sodium ion and chloride ion. Some important applications of Kohlrausch law of independent migration of ions are:

2) Kohlrausch law helps us in the determination of limiting molar conductivities for any electrolyte. Weak electrolytes have lower molar conductivities and lower degree of dissociation at HIGHER concentrations. The graph plotted between molar conductivity and c1/2 (where c is the concentration) is not a straight line for weak electrolytes. The molar conductivity of weak electrolyte increases steeply at lower concentrations. Therefore, limiting molar conductivity, Ëm° cannot be obtained by extrapolation of molar conductivity to zero concentration. Hence, we use the Kohlrausch law of independent migration of ions for the determination of limiting molar conductivity, Ëm° for weak electrolytes.

3) Kohlrausch law also helps us in determining the value of dissociation constant from the value of molar conductivity and limiting molar conductivity for a weak electrolyte at a given concentration.

α = ΛËm∘

Where, α = dissociation constant

Λ = molar conductivity

Ëm° = limiting molar conducti

Answer:

Explanation:

0°C:

At 0°C, WATER exists in solid-state. We know that the freezing point of water is 0 °C. The liquid form of water starts to BECOME solid (ice) at this temperature.

30°C:

The physical state of water at 30°C is Liquid because water freezes at 0 degree.

100°C:

The physical state of water at its BOILING point temperature of 100 degree CELSIUS will be both liquid state as WELL as gaseous state. This is because at its boiling point of 100°C the liquid state of water starts changing into its Gaseous state.

ANSWER:

SORRY jejwiwiwiwh HAHAHAHA

ANSWER:

good QUESTION i am thinking you are STUDY in exam time BEST of luck for my side

EXPLANATION:

the byproducts of alky halides SYNTHESIS by PHOSPHORUS pentahalide from alcohol are pcl3 I GUESS

Answer:

Hey the answer is

Glucose is the solute. So it is 3 g

Water is the solvent. So it is 18 g

3/18 X 100 = 300/ 18

150/ 9

50/3 = 16.66 %

1. FIRSTLY see the ionic compounds on righthand SIDE of the equation.
2. then TRY to balance it on left hand side of the equation by integral multiple .
3. After it try to balance METALS on left hand of the equation.

Hope it's helpful

Answer:

As we know, a solute (non VOLATILE) lowers the VAPOR PRESSURE of a liquid ,and hence lowering the FREEZING point.

So freezing point will be below 0

o

C.

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