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51101.

Atomic number of an atom z=17 mass number A=35 find the neuton

Answer»

18Explanation:35-17 =18IT's CORRECT

51102.

Definition of double salt?

Answer»

hiExplanation:salt that crystallizes as a SINGLE SUBSTANCE but ionizes as two DISTINCT salts when dissolved, as CARNALLITE,

51103.

Why do female silk moth die after . why does it eat anything after laying eggs​

Answer»

ale silkworm lays about 300 eggs at a TIME. The eggs are COVERED with gelatinous secretion by which they stick to the leaves. The female moth (silkworm) lays eggs and dies after laying eggs as she does not eat anything. The eggs are kept in a cool PLACE so that they can be STORED for a long time.

51104.

Wright IUPAC Name of the following structure​

Answer» WRIGHT IUPAC NAME of the FOLLOWING STRUCTURE
51105.

if in volumetric analysis constant burette reading is 8.0 ml of Kmno4 then calculate the molarity of Kmno4​

Answer»

hmxhklxlhslxkyxptsotzrozorskrsotsotzirsiRiTiTriair

51106.

What amount of KCLO3 will be required to produce 5.6 litres of O2 at NTP in the reaction 2KCLO3=2KCL+3O2 ​

Answer»

Explanation

51107.

Mg2+ is isoelectronic with​

Answer» OXYGEN is ACCORDING me OK kkkkkkkkkkkk
51108.

What is the number of valence electrons in Na± O²– F– Ca²±​

Answer»

i DONT KNOW but THANKS for POINTS

51109.

Blue litmus is added to sodium bi sulphate state the observation ​

Answer»

blue litmus paper is dipped in DILUTE HCl acid, its COLOR changes to RED.Litmus paper is a universal indicator which is used to identify the acidity or basicity of the SUBSTANCE.They are available in two colors namely red litmus paper and blue litmus paper.The blue litmus turns red when it is dipped in acid On the other hand, the red litmus turns blue, when it is dipped in a base and REMAINS unchanged in a neutral substance. Dilute HCl is an acid, thus when blue litmus paper is dipped in it, it turns into red.

51110.

Please answer the attached questioncorrect answer is appreciated with explaination​

Answer» 3) -6•04 EXPLANATION:HOPE this ANSWER will HELP you
51111.

Which statement is incorrect regarding the reflection of light ?​

Answer» BRO PLEASE SEND FULL QUESTIONS
51112.

Write a balanced equation for a chemical reaction that can be characterised as precipitation. _________________Drop some thanks plz.( ˘ ³˘)♥​

Answer»

tion:Precipitation is the CONDENSATION of the atmospheric water.Mixing barium CHLORIDE with copper sulphate, a formation of white sulphate of copper chloride is formed.This forms to be DOUBLE displacement reaction where the sulphate ions are DISPLACED by chloride ions and vice versa accordingly.Na2SO4 + BaCl2 → BaSO4 + 2 NACL

51113.

Do molecules have the properties of the element that form them?

Answer»

Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure SUBSTANCE can be divided and STILL retain the composition and CHEMICAL properties of that substance. Several METHODS of representing a molecule's structure

51114.

__________ is representd by a chemical ___________

Answer»

The ATOMS is REPRESENTED by a CHEMICAL.

51115.

Plz tell fast it's very important ​

Answer»

1st answer is DECOMPOSITION REACTION 2ND answer is Combination reaction3rd answer isCombustion reaction 4TH answer is Neutralization reaction. 5th answer is DISPLACEMENT reaction

51116.

Q: Which one is ParamagneticA: Na+ B: Mg+C: Cl-D: N-3​

Answer» ANSWER is B if YES MARK me as BRAINELIST answer
51117.

Solution of silver nitrate and hydrochloric acid on mixing gives a _ precipitate of _ and​

Answer»

Addition of silver nitrate to HYDROCHLORIC ACID, gives an insoluble precipitate of the respective chloride, This precipitate is SOLUBLE in ammonium hydroxide and insoluble in dilute NITRIC acid.Explanation:Hope it helps you, please mark me as BRAINLIEST

51118.

Give two examples of mettaloids

Answer»

hihelloExplanation:BORON and SILICON

51119.

(5) 1.5 dm of dry nitrogen is collected at a temperature of 27°C and a pressure of 740mm of Hg. Find the volume of gas at S.T.P [ Standard temperature = 273K / Standard pressure= 760mm of Hg]​

Answer»

V1=700 mlP1=1 atm=760 MM HgT1=298 K            V2=?P2=400 mm HgT1=288 KHere number of moles is constant.∴T1P1V1=T2P2V2V2=T1×P2P1×V1×T2=298×400760×700×288=1285.37 ML∴ Volume occupied by GAS is 1285.37 ml.

51120.

Na/C2H5OH Identify 'B' in the following reaction, C2H CHO + NHOH → A B A a) propan-1-amine b) propan-2-amine c) Isopropylamine d) Dimenthylamine ​

Answer» MINE
51121.

Which of the following alkyne is not acidic in nature?ethyne. Propyne. 1-butyne. 2- butyne

Answer» HUS CH≡CH that is ETHYNE is the most ACIDIC of all FOUR COMPOUNDS.#нσρє íт нєℓρѕ♡~#мαяк αѕ вяαíηℓíѕт☘️
51122.

Are any fєmαlє thєrє tσ hєlp mє hσw tσ​

Answer»

what is the QUESTION how to..?

51123.

Hlo guys.. What is oxidation?? ❌❌​

Answer»

Oxidation is the PROCESS in which a oxygen is added to a substance, mostly by the process of BURNING a substance in the presence of oxygen

51124.

Give a example of homogeneous mixture in defferent physical state [two each]

Answer»

the example of MOTION is mixture is10 gram water plus 5 gram SUGAR

51125.

Who is rohit sharma?????​

Answer»

Rohit Gurunath SHARMA is an INDIAN international cricketer who plays for MUMBAI in domestic cricket and captains Mumbai INDIANS in the Indian Premier League as a right-handed batsman and an occasional right-arm off break bowler. He is the vice-captain of the Indian national team in limited-overs formats.What HAPPENED why are u following me again and again?

51126.

Steam flows in a pipeline at 1.5 MPa. After expanding to 0.1 MPa in a throttling calorimeter, the erature is found to be 120°C. Find the quality of steam in the pipeline. What is the maximum moisture at 1.5 MPa that can be determined with this set-up if at least 5°C of superheat is required after throttling for accurate readings?​

Answer»

I'm SORRY I don't KNOW sorry

51127.

work function of cesium atom is 1.9eV then calculate 1. threshold wavelength and 2. threshold frequency. ​

Answer»

Wo=HC/LAMBDA Wo=1.9ev hc= 12400ev(A°)lambda= 12400ev(A°)/1.9=6526A°n= c/lambda

51128.

Explain the process of hybridization in ethyne molecules​

Answer»

hybridization, C-C sigma bond is formed when ONE sp ORBITAL overlaps from each of the CARBONS and two C-H bonds are created when second sp orbital on each CARBON overlaps with 1s orbital of hydrogen. In this, the carbon atom will have two half-filled 2p ORBITALS.#нσρє íт нєℓρѕ♡~#мαяк αѕ вяαíηℓíѕт☘️

51129.

Iiiliv VElectrolysisCommon saltof aq solutionaq. solution ofNH, and CO2Slaked limei and ii60.Study the above flowchart carefully and choose the correct formulas from I to VA) NH,OH (1), NaOH(ii), O, (iii), Na, (iv), CI, (v)B) NH,Cl(i), NaHCO, (ii), H, (111), Cl, (iv), NaOH(v)C) NaOH (1), (NH2)2CO, (ii),0, (iii), Na,0(iv), H, (V)D) NH4OH (i), NaOH (ii),H, (ii), NaOH(iv), H, (v)​

Answer» TION:PLEASE MARK me as BRAINLIEST please
51130.

10% aqueous solution of sugar cane is isotonic with 1.745% aqueous solution of urea. find the molecular mass of urea.​

Answer»

cteria are good for you, including the bacteria in your digestive system, or gut. These bacteria help to BREAK down food and KEEP you healthy. Other good bacteria can produce oxygen are used to create antibiotics. Bacteria are used in food production to make YOGURT and FERMENTED foods

51131.

डी-ब्रॉगली समीकरण क्या है? इसकी व्युत्पत्ति कीजिए।​

Answer»

this is your ANSWER PLEASE MARK me BRAINLIST

51132.

What is coocon name the fibre of which coocon made

Answer»

hiExplanation:The silky covering SPUN by the silkworm (or caterpillar) of silk moth is called COCOON. The cocoon is made by silkworm to protect its development as pupa. Pupa is a stage in the life history of silk moth when the caterpillar (or silkworm) becomes 'encased' in a HARD SHELL of silk FIBRES called cocoon.

51133.

What is thermal energy? with examples in sentences ​

Answer»

tion:All living things use a process CALLED respiration to GET energy to stay alive. Cellular respiration in plants is the process used by plants to convert the GLUCOSE made during PHOTOSYNTHESIS into energy which fuels the plants’ cellular activities.On the other HAND,

51134.

Plz help me to solve thiscalculate neutron , proton and electron of this.​

Answer»

sᴏʀʀʏ ʙᴜᴛ ɪ ᴅᴏɴ'ᴛ ᴋɴᴏᴡ ᴛʜᴇ ᴀɴsᴡᴇʀʜᴏᴡ ᴀʀᴇ ʏᴏᴜ ʜᴀᴠᴇ ᴀ ɢʀᴇᴀᴛ ᴅᴀʏ ᴀʜᴇᴀᴅ !

51135.

What means langitudinal waves?​

Answer»

dinal wave, wave consisting of a PERIODIC disturbance or vibration that takes place in the same direction as the advance of the wave. ... SOUND moving through air ALSO COMPRESSES and rarefies the gas in the direction of travel of the sound wave as they vibrate back and forth.

51136.

Explain lassayne's test for nitrogen​

Answer» REFER the ATTACHMENT..
51137.

Weakest base ammoni ,methly, dietyl,trimethyl

Answer» SORRY I didn't GET your QUESTIONS.
51138.

Why hydration energy og Al+2 is three time greatoe than Ca2+

Answer» GIVE me THANKS and BRILIANT MARKS.
51139.

How big is the hole in Kerala in India to separate Cashew nuts of different sizes?

Answer»

Standard specifications for Indian cashew kernels for export have been laid down by the Government of India under the Export (Quality Control And INSPECTION) Act 1963.Cashew Kernels are graded into white/scorched wholes,PIECES,splits,butts ETC.. depending on the shape,size & COLOUR of the kernel.The Govt.of India Act prescribes 33 different grades of cashew kernels. Only 26 grades are commercially available and EXPORTED.

51140.

Find the product of A and B.​

Answer»

force is any influence that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can ALSO be described intuitively as a PUSH or a PULL. A force has both MAGNITUDE and direction, MAKING it a vector quantity

51141.

Explain Lawry&Bronsted concept of acid and Base with Example

Answer»

In the Brønsted–Lowry definition of acids and bases, an acid is a PROTON (H⁺) donor, and a BASE is a proton acceptor. When a Brønsted–Lowry acid LOSES a proton, a conjugate base is FORMED. Similarly, when a Brønsted–Lowry base gains a proton, a conjugate acid is formed.

51142.

Waht mean sound waves?​

Answer»

tion:SOUND wave is a PRESSURE caused by the VIBRATION of something in a medium that transfers energy, like air. An example of a sound wave is a burst of LOUD music through a QUIET forest.༶•┈┈⛧┈♛♛┈⛧┈┈•༶

51143.

The vapour pressure of a saturated solution of a sparingly soluble salt (A2B3) is 31.8 mm Hg at 40⁰C.If the vapour pressure of pure water 31.9 mm Hg, the solubility product (Ksp)of A2B3 at the same temperature is​

Answer»

evaporatedsublimated. hylightedmonlightedtiltedmistedmontedhauntedtaulted

51144.

While playing in a park, a child was stung by a wasp. Some & elders applying paste of baking soda and others lemon juice as remedy Which remedy do you think is appropriate and why?​

Answer»

tion:A force is a push or pull UPON an object resulting from the object's interaction with another object. Whenever there is an interaction between TWO OBJECTS, there is a force upon each of the objects. ... Forces only exist as a result of an interaction.

51145.

*Show that aluminium is an active metal by experimenting on it. Perform two activities on aluminium foil and click the photograph with noting down the observations. Write your views showcasing role of aq13luminum in creating pollution in the environment.​

Answer»

Although it does not SEEM to be particularly reactive, aluminum is considered an active metal. Its behavior is deceptive because it reacts RAPIDLY with the oxygen in the air to form aluminum oxide ( A l 2 O 3 ), or ALUMINA, which is tightly BOUND to the metal and exists as a DENSE coating (unlike the oxides of iron).Explanation:

51146.

One loan pair is formed and one hydrogen is partly combined

Answer»

The REQUIRED SOLUTION of GIVEN QUESTION is given above.

51147.

An element x is a divalent. write the balanced equation for the combustion of c in oxygen ​

Answer» EXPLANATION:valence of x = 3 VALENCY of oxygen = 2 the compound formed = x2O3 EG - AL2O3 EQUATION FOR COMBUSTION - 4 x + 3 O2 ----> 2 x2O3
51148.

What is atomic weight​

Answer» TION:The atomic mass is the mass of an ATOM. Although the SI unit of mass is the KILOGRAM, atomic mass is OFTEN expressed in the non-SI unit dalton where 1 dalton is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.
51149.

Ethyl benzoic + sodium bicarbonate

Answer»

boooom BLAST booom ooooooooommmm

51150.

Kanika takes a burning substance and collects the evolved vapours in a test tube, making sure that they do not escape. A small amount of water is added to the test tube. To the solution obtained, afew drops of blue litmus solution are added. The litmus solution turns red. Which of the followingcould be the burning substance ?]A) Mg2. SC) NiD) fe​

Answer»

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