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ANSWER:

For fillet WELDING the minimum size of WELD is 3mm.

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Activation Energy.

It is DEFINED as the least possible amount of energy (minimum) which is required to start a REACTION or the amount of energy AVAILABLE in a chemical system for a reaction to take place. It is denoted by Ea and it is expressed (unit) in kJ/mol. Activation energy is not SIMILAR for all REACTIONS.

ANSWER:

the karnels theory sometimes CALLED LWP ( lightweight PROCESS)

Answer:

1. Method of growing two or

more crops in a definite pattern

simultaneously on the same field.(13words)

4. Crops grown in rainy season.(6words)

10. PLANTS that are grown prior to crop and plants and mulched into the soil.

(two words)(11words)

11. The preferred agronomic

characteristic in cereals.(9words)

12. Process of crossing two plants of different species belonging to thesame genus(13words)

13. We can also improve crop varietyby introducing a ___ to get the preferred characteristics(4words)

14. A biotic factor that can reduce thecrop produce(8words)

2. Term used in relation with the

duration of sunlight.(11words)

3. Destroys soil FERTILITY if used

constantly(11words)

5. Process of crossing two genetically DISSIMILAR plants.(13words)

6. Method to kill pests that destroy

grains.10 words

7. System of farming which uses little or no chemicals. (two words)(14words)

8. A biotic factor that can reduce thecrop produce(9words)

9. Manure prepared by decomposition of farm waste using earthworms.(12words)

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Answer:

1. Method of growing TWO or

more crops in a definite pattern

simultaneously on the same field.(13words)

4. Crops grown in rainy season.(6words)

10. Plants that are grown prior to crop and plants and mulched into the soil.

(two words)(11words)

11. The preferred agronomic

characteristic in cereals.(9words)

12. Process of crossing two plants of different SPECIES belonging to thesame genus(13words)

13. We can also improve crop varietyby introducing a ___ to get the preferred characteristics(4words)

14. A biotic factor that can reduce thecrop produce(8words)

2. Term used in relation with the

duration of sunlight.(11words)

3. Destroys soil fertility if used

constantly(11words)

5. Process of crossing two genetically dissimilar plants.(13words)

6. Method to KILL pests that destroy

grains.10 words

7. System of farming which uses little or no chemicals. (two words)(14words)

8. A biotic factor that can reduce thecrop produce(9words)

9. Manure prepared by decomposition of farm waste using earthworms.(12words)

please tell fast I WOULD be thankful to you

ANSWER:

what to do here

h2so4

question

Answer:

it is 3 oxygen's valosity& 4 is FE's valosity

Answer:

Answer

4x² + 21X = 6x - 14

4x² + 15x + 14 = 0

4x² + 8X + 7X + 14 = 0

4x(X + 2) + 7(x + 2)= 0

↪(4x + 7)(x + 2) = 0

x = -7/4

x = - 2

Values of x are -2 , -7/4

Answer:

its hair is he PART of SHEEP which YEILDS WOL

Answer:

2 MOLES

Explanation:

to find NUMBER of moles we have the FORMULA :

here given mass is 88g

and molar mass is 44.

so, number of moles = 88/44

number of moles= 2

Answer:

104 eicetron are PRESENT

Hi there,

GIVEN

◇ MWT is molar mass of CO2 which equal 44 gm / mol

◇ Nu is number of molecules of CO2 which are 6×10^20

◇ NA is avogadros number which equal 6×10^23

◇ Number of moles =

number of molecules ÷ avogadros

6×10^20 ÷ 6×10^23 = 0.001 mol

◇ Ms Sample mass REMOVED is equal

molar mass × number of mols

44 × 0.001 = 0.044 gm = 44 mg

◇ Sample mass remains are equal

880 mg - 44 mg = 836 mg

= 0.836 gm

◇n number of mols is equal sample mass ÷ molar mass

0.836 ÷ 44 = 0.019 mol

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N2+3H2→2NH3

In the above EQUATION nitrogen GAS combines with the HYDROGEN gas to FORM ammonia.

EXPLANATION:

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Answer:

the IRON NAIL in TEST tube a

Explanation:

CORROSION happens in the PRESENCE of moisture and air

Answer:

0.5 N

Explanation:

molecular weight of Na2CO3 is = 106

equivalent weight of Na2CO3 is = 106/2 = 53

now, 5 G of Na2CO3 means , (5/53)=0.094 equivalence of Na2CO3

hence,

200mL of SOLUTION CONTAINS 0.094 equivalence of salt.

then, followed by unitary method we get,

1000 mL of solution contains

(0.094*1000)/200 equivalence of Na2CO3

or, 0.47≈0.5 equivalence of Na2CO3

now notice CAREFULLY, it's the Normality of solution.

Answer:

Dmitri Mendeleev

Explanation:

The Periodic Law. In 1869, Dmitri Mendeleev and Lothar MEYER individually came up with their own periodic law "when the elements are arranged in order of increasing ATOMIC mass, CERTAIN SETS of properties recur periodically.

Answer:

To find Ksp we have to use the formulae of Ksp = 27s^4 for AG3PO4 which we know. Where s is the solubility of the solution.

Now we have to find the solubility s of the following solution by using the formulae of solubility = 1000*κ/C, here C is the EQUIVALENT conductivity and κ is the conductivity of the saturated solution.

Solubility = 1000 * 9*10^-6 * 10^4 / 1.50.

Solubility is 60 on solving.

So, Ksp will be 27 * 60^4.

Ksp = 3.4*10^8.

i HOPE it will HELP you for your EXAMS

CEMOUNT of Banzaic acid

CC6HS COOH) REQUIRED for PREPARING sond

o 8.15 melt SOM SES methasol

Answer:

Explanation:

aree bro if u have read that NITROGEN didn't have d ORBITAL in it's shell so it can't accommodate 10 electrons AROUND it's shell so it didn't FORMS pentahalides as they required it

SIMPLE cubic :

% of VOID space - 48 %

body centered cubic :

% of void space - 32 %

hexagonal cubic

% of void space - ?

EXPLANATION:

above ANS is CORRECT

I SEND to you a PHOTOS

Explanation:

The answer to the FIRST question is that the number of TETRAHEDRAL voids per atom is two and the number of octahedral voids per atom is one. These are the same as those for CUBIC Close-Packed (CCP) STRUCTURE

Answer:

3because it BELONGS to PASCHEN SERIES

srryy MATE i cannot UNDERSTAND the LANGUAGE

Answer:

sodium METAL OXIDE

Explanation:

when sodium REACTS with acid it PRODUCES sodium acid. But when sodium metal reacts with acid it produces sodium metal oxide

Answer:

CCl4

Explanation:

carbon can SHARE bonds with other elements since it has VALENCY as 4

cl is ELECTRONEGATIVE and requires one electron to attain octet CONFIGURATION....

hope U understood

ANSWER:

Answer of this QUESTION is All of the above

Explanation:

N , O, Ne, F, CL

ARRANGE in order

PLZZ ask good question

Answer:

40-zirconium(ZR)

80-mercury(HG)

Answer:

Explanation:

Here the elements (P,As and SB) have attained a +5 OXIDATION state. It is appropriate to note here the marked decrease in the ease of attaining the 5-covalent state which occurs on passing from phosphorus to arsenic (see chemistry of ... OXIDIZING properties due to the tendency of the bismuth to revert to the tripositive state.

ANSWER:

ION exchange or DISPLACEMENT reaction

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6.0221409e+23
or 6.02 × 10^23

Answer:

Hey mate here is ur answer..

{Toluene }

HOPE it helps you

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Answer:

Atomic MASS of NITROGEN $=14\;g

Therefore , mass of 1 MOLE of nitrogen =14g

Now, 1 more =6.022×1023atoms

Since, 1g−atom=1 more

0.5g−atom=0.5moles

Therefore no of atoms in 0.5 MOLES of Nitrogen =6.022×1023×0.5

=3.011×1023

ANSWER:

both a and b

C is the correct option

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a POLYMERIC substance OCCURRING in LIVING organisms, e.g. a PROTEIN, cellulose, or DNA......

ANSWER:

IDK........

EXPLANATION:

Answer:

GLUCOSE is very soluble in water and soluble to some DEGREE in ethanol. Ethanol is not sufficiently polar to dissolve salt (polar compounds dissolve polar compounds), unlike water. Glucose is a polar MOLECULE, as is salt. ... Ethanol also dissolves non-polar molecules such as hexane - the MECHANISM for this is different.

Answer:

NH3(aq)+H2O(L)⇄NH4+(aq)+OH−(aq)

Hence ANS is OH-

Answer:

Explanation:

Aluminium foils are used to wrap food items because aluminium being a soft malleable METAL it can be beaten to in sheets to FORM thin WRAPPING sheets. Moreover it does not react with food items. Immersion rods are made of metallic substances metals are good CONDUCTORS of heat and electricity.

ANSWER:

This is the ANS to your QUESTION.

On dry days, SWEAT evaporates quickly, which means it also carries away heat faster. On HUMID days, when the air is already saturated with water, sweat evaporates more SLOWLY. This explains why it FEELS so much hotter in HIGH humidity.

1. Question⇒ Assertion -when iron is exposed to air and moisture rust is formed.

Explanation:

• Iron objects, kept in moist air for a long period of TIME, react with moist air to FORM a REDDISH brown crumbling substance called rust (hydrated iron (III) oxide, Fe2O3. X H2O, where X is the number of moles of water that differs). This corrosion of iron metal by reacting with moist air is called the RUSTING of iron.

I can TELL it if you will ASK the WHOLE QUESTION.

PH is POWER of hydrogen ion in a solution

The higher the VALUE , the more it is basic

The Lesser the Value , The more it is acidic

pH has a value between 1 to 14

7 is neutral

<7 is acidic

>7 is basic

HEYAAA!!!!✌

HERE IS YOUR ANSWER:-

Oxidation STATE of PHOSPHORUS is +3 in Phosphorus acid (H3PO4).

In all the other ACIDS, the oxidation state of phosphorus is +5.

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