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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 46301. |
What is disproportionation reaction |
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Answer» istry, DISPROPORTIONATION, sometimes called dismutation, is a redox REACTION in which ONE compound of intermediate OXIDATION STATE converts to two compounds, one of higher and one of lower oxidation states |
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| 46302. |
B) वधुत : How will you bring about the following transformations ?a)Nitrobenzene to Anilineb)Formaldehyde to Methyl alcoholc)Propanone to Tri-iodomethane. |
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Answer» Give NAMES of the reagents to BRING about the following transformation:(i) Hexan-1-ol to hexanal (ii) Cyclohexananol to cyclohexanone(iii) p-Flourotoluene to p-fluoro benzaldehyde(iv) Ethanenitrile to ethanal(v) ALLYL alcohol to PROPENAL(VI)But-2-ene to ethanal |
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| 46303. |
विश्लेषण कीजिए।एक ध्रुवीय विश्व या अमेरिकी वर्चस्व स्थापित होने के कोई पाँच कारणों का |
| Answer» KHUD HI karlo HAMARE pass time NAHI h | |
| 46304. |
State ofEmplain denivation of wave number |
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Answer» In the physical science, the WAVE number ( also wave number or repetency) is the SPATIAL frequency of a wave, measured in cycle per unit DISTANCE. where as temporal frequency can be thought of as the number of waves per unit time, wave number is the number of wave per unit distance. Explanation: i hope it's very USEFUL to you and MARK a brainliest plzzzz plz plz |
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| 46305. |
What is a fullernes? |
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Answer» A FULLERENE is an ALLOTROPE of carbon whose molecule CONSISTS of carbon atoms connected by single and double bonds so as to form a closed or partially closed mesh, with fused rings of five to seven atoms. The molecule may be a HOLLOW sphere, ellipsoid, tube, or many other shapes and sizes. hope the answer will help U |
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| 46306. |
Define:endothermic reaction |
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Answer» An endothermic PROCESS is any process with an increase in the enthalpy H of the system. In such a process, a CLOSED system usually absorbs thermal energy from its surroundings, which is HEAT transfer into the system. |
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| 46307. |
The crystalline salt Na2CO3.XH20 on heating loses 63% of its mass and becomes anhydrous. The formula ofthe compound is |
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Answer» M NA 2 CO 3 =106M H 2 O =18Let the MASS of SALT is W. Then 106+18n=W⟶(1) After heating, 10037W =106⟶(2) (63% is LOST i.e, H 2 O is lost)Putting (2) in (1),⇒106+18n= 37106×100 ⇒18n=180.4⇒n=10.02≃10 |
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| 46308. |
A gaseous mixture contains H2 and N2 in the volume rationof 1:2 under STP Conditions. their molar ratio in the (a) 3:1 (b) 2:1 (c) 1:2(d) 1:7 |
| Answer» C) 1:2 will be the ANSWER I THINK | |
| 46309. |
¥avanka iou kissi fub |
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Answer» ............................... |
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| 46310. |
Mess matlab message.......... |
| Answer» OH..........................EXPLANATION:PLEASE MARK me as the BRAINLIEST. | |
| 46311. |
What is limiting reagent |
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Answer» The limiting reagent (or limiting reactant or limiting agent ) in a chemical reaction is a reactant that is totally consumed when the chemical reaction is completed. the AMOUNT of product from is LIMITED by this reagent, SINCE the reactant cannot continue without it.please make a brainliest plzzzz plz plz |
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| 46312. |
Write an experiment on Hand Sieving |
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Answer» High ACCURACY, low investment cost, and EASE of handling make SIEVE analysis a COMMONLY used procedure for ... |
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| 46313. |
find the kc for the reaction N2+3h2 =2nh3 at 700k if it is 3 moles of N2 and one mole of h2 were made to react in a 10l flask and at an equilibrium of 0.6 moles of nh3 were found. |
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Answer» Click here to GET an ANSWER to your question ✍️ N2 + 3H2 2NH3 . ... one mole of nitrogen and 3 moles of hydrogen, at equilibrium 50 % of each had reacted. If ... Initial mole RATIO N2:H2 is 1:3. |
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| 46315. |
Best defination of atom |
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Answer» the SMALLEST part into which an ELEMENT can be divided. Explanation:I hope it's help you |
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| 46316. |
Rfulamali wait for the gift |
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Answer» okkkkkkkkkExplanation:for your KIND INFORMATION my NAME is SHRADDHA |
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| 46317. |
In the below given process, R and T indicates a process. Identify this process and indicate the type (reversible and non reversible) by mentioning any single change involved in this process. |
| Answer» ABC mening of accilator B BREAK c calute and those MOTION is depind on pressure then speed | |
| 46318. |
Why respiration is called an exothermic process explain |
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Answer» Carbolydrates present in FOOD are BROKEN down to form glucose. This glucose combines with OXYGEN in the cells of our body and provides energy. This reaction is known as respiration. HENCE,respiration is considered as an exothermic reaction.....Mark Brainlist Selected my Question PLEASE dhyan se. |
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| 46319. |
Why are most carbon compounds poor conductors of electricity??? |
| Answer» MARK as BRANLIEST PLEASE please | |
| 46320. |
Write the name of all elements thier symbols and thier valencies |
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Answer» tion:NUMBER SYMBOL ELEMENT VALENCE1 H Hydrogen 1, 0, -12 He HELIUM 03 Li Lithium 1, -14 Be BERYLLIUM 25 B Boron 3, 2, 16 C Carbon 4, 3, 2, 1, -1, -2, -47 N Nitrogen 5, 4, 3, 2, 1, 0, -1, -2, -38 O Oxygen 2, 1, 0, -1, -29 F Fluorine 0, -110 Ne NEON |
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| 46321. |
Virus per ration is called an exothermic process explain |
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| 46322. |
Calculate the molar mass of C2H5oH |
| Answer» BLA bla bla bla bla bla bla bla bla bla bla bla bla | |
| 46323. |
Which of the following speices cannot be reduced ? |
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Answer» where were the OPTIONS..???EXPLANATION: |
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| 46324. |
Zn + H2 s o4 gives znso4 + H2 in this reaction any change in its temperature |
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Answer» SINGLE REPLACEMENT (also called DISPLACEMENT):General form: A + BC → AC + B (“A DISPLACES B”)EXAMPLES: Zn + H2SO4 → ZnSO4 + H2 Mg + 2 AgNO3 → Mg(NO3)2+ 2 Ag In these, a “more reactive” ELEMENT displaces a“less reactive” one from a compound. These reactionsalways involve oxidation and reduction |
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| 46325. |
Extensively soil found in North Karnataka is |
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Answer» okkkkkkkkkk*kkkkkkkk |
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| 46326. |
Elizabeth in pirates of Caribbean k/&& |
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| 46327. |
Compare the relative stabilities C2 and Li2 and comment on their magnetic (paramagnetic or diamagnetic) behaviour. |
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Answer» I don't UNDERSTAND your QUESTIONEXPLANATION:.......... |
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| 46328. |
Find the energy difference between n = 4 and n= 3 levels of hydrogen and calculate the frequency of the radiation emitted when an electron transits between these levels (Planck's constant, h= 6.626 x 10-³⁴ JS). |
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Answer» narrition of friqunecy of a 3%only |
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| 46329. |
Why is chlorine atom more reactive than sulphur |
| Answer» CHLORINE is more REACTIVE than SULPHUR because it is having LESS radius than sulpher and thats why it is highly electronegative | |
| 46330. |
Explain how carbon dioxide is able to control fires |
| Answer» CARBON dioxide extinguishes work by displacing OXYGEN, or taking away the oxygen element of the fire triangle. The carbon dioxide is ALSO very cold as it comes out of the extinguisher, so it COOLS the fuel as well.Explanation:hope it helps youplease mark me as the brainliest | |
| 46331. |
X is polymer on which oil and water do not stick and Y is a polymer which does not catches fire easily. X and Y probably are respectively |
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| 46332. |
Y5b ry46r5 t 8f35eehwed gjyk4hf4 |
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Answer» what is the QUESTIONEXPLANATION:PLEASE MARK me as BRAINLIEST and FOLLOW me |
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| 46333. |
Numerical Problems What is meant by acidity of base ? 500cc of 2N Na2CO3 are mixed with 400cc of3N H2SO and volume was diluted to one litre. Will the resulting solution be acidic, beneutral ? Also calculate the molarity of the dilute solution. |
| Answer» NUMERICAL Problems - 27351979. ... 3N H2SO and volume was diluted to one litre. Will the resulting solution be ACIDIC, be neutral ? Also calculate the molarity of the dilute solution. . ADD answer. | |
| 46334. |
From 150 g of urea (NH,CONH) when 3 x 1022 molecules are removed then the remaining moles of urea will be |
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| 46335. |
Why is h2so4 nit used to dry h2 |
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Answer» ic acid is not used for drying hydrogen gas it is a strong oxidising AGENT and will oxidise hydrogen to WATER. Sulphuric acid is not used as a drying agent to dry hydrogen as it combines with hydrogen THUS defeating the purpose of the REACTION. |
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| 46336. |
write the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores. |
| Answer» TRIED to give Summary in Hindi, Word meanings, Complete lesson in ... Sum up the WARNING given and message CONVEYED by the BritishPrime MINISTER Mrs THATCHER.Answer:We have tried to give Summary in Hindi, Word meanings, Complete lesson in ... Sum up the warning given and message conveyed by the BritishPrime Minister Mrs Thatcher.Explanation:We have tried to give Summary in Hindi, Word meanings, Complete lesson in ... Sum up the warning given and message conveyed by the BritishPrime Minister Mrs Thatcher. | |
| 46337. |
Which two elements could definitely by metal? |
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Answer» They belong to 3rd period and groups 1, 2, and 13 - 18 respectively i.e.(A in grp. 1, B in 2, C in 13, D in 14..... H in 18)A and B elements will definitely be metals as their oxides are BASIC in NATURE and metals form basic oxides. |
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| 46338. |
On analysis it was found that the black oxide of Cu ,red oxide of Cu, litharge, the red oxide of Pb & peroxide of Pb contains 79.9%,88.8%,92.8%,90.6%,86.6% respectively of metal .Establish the law of multiple proportion?. |
| Answer» HOPE it will HELP you.. | |
| 46339. |
If 0.25 g of magnesium metal were to react with an excess amount of hydrochloric acid solution, how many grams of hydrogen gas (H2) would be produced after the reaction? Show complete calculations. omg guys please help me, this is not found in our modules yet so idk how to do this. :(( deadline is tomorrow I still don't have any answer. :'(( |
| Answer» TION:hope it will HELP you please mark me BRAINLEIST and FOLLOW me | |
| 46340. |
What will happen if we mix all the periodic table elements at a time in one container?????... |
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Answer» What you get when you MIX all your atoms, Tuckerman says, will be influenced by what's close to what. Oxygen, for example, is very reactive, and if it is CLOSEST to HYDROGEN, it will make hydroxide. If it is NEAREST to CARBON, it will make carbon monoxide~Sep 3, 2013~ |
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| 46341. |
Which type of chromatography does not separate on the basis of polarity of molecules?a.thinlayer b.paper c.ionexchange d.gas |
| Answer» | |
| 46342. |
How many atoms in 100u of helium. |
| Answer» INFINITE NUMBER of ATOMS are there in 100U of HELIUM | |
| 46343. |
Give chemical tests to distinguish between the following pairs of compounds: benzal dehyde and acetaldehyde |
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Answer» tion:The name of the test which is USED to distinguish benzaldehyde and acetaldehyde is CALLED Fehling's test. Among the TWO compounds, acetaldehyde forms a red COLOR precipitate whereas benzaldehyde doesn't show any reaction with Fehling's test. |
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| 46344. |
Q: 42 / 45 +4Decomposition of H2O2 is a first order reaction.A 16 volume solution of H2O2 of half life 30 min ispresent at start. When will the solution becomeone volume ?(1) After 120 min (2) After 90 min(3) After 60 min(4) After 150 min |
| Answer» YAAR ITNE high LEVEL k q.tu lata KAHA se H | |
| 46345. |
Initial concentration of reactant for nth order reaction is 'a'. Which of the following relations iscorrect about t1/2 of the reaction ?(1) In t1/2 = ln n + In (constant) - In a(2) In t1/2 = ln (constant) - (n - 1) Cog, a((3) t1/2 ln n = In (constant) + In ao(4) In t1/2 = n In ao |
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Answer» t 1/2∝ 1/a ^n−1 t 1/2 =(CONSTANT) 1/a^ n−1 LN t 1/2 =ln(constant ) −(n−1)LOG ahope this HELPS U ..... |
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| 46346. |
Aqueous res state a3. Anhydrous Calcium Chloride is used in a delicator5TheIkali is added dron wire toS04XL one |
| Answer» DRS and FRS and MI drs and PUNJAB | |
| 46347. |
a laborator thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle. which of the thermometer A or B, will show a greater rise in temperature? give reason for your answer |
| Answer» THERMOMETER B WILL SHOW GREATER RISE IN TEMPERATURE BECAUSE IT IS KEPT ABOVE THE CANDLE AND THE FIRE WILL GO NEAR TO IT AS THE FIRE ALWAYS STAYS STRAIGHT AND DOES NOT STAYS LEFT OR RIGHT AND A TERMOMETER IS ON THE SIDE AND IS NOT NEAR TO THE FIRE | |
| 46348. |
(2) k, = ke/RT a.(1) k, = ke/RTA reactant (A) forms two products :AkB Activation energy EAko C Activation energy EIf En = 2E, , then ki and k2 will be related as:(3) k, = ke/RT(4) k, = 2k, e |
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Answer» hd wallpaper in Bangladesh is no 69 ASSIGNMENT to be t and FRIENDS and I will TRY to you and your E and friends and family and friends with you Saloni ☺️☺️ rus js and CSS TEMPLATES for option purchased from us please help us with benefits to the Google app I'm ok with you and friends and family and friends and I will be t and I |
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| 46349. |
Anhydrid of sulphuric acid is |
| Answer» TION:SULFUR trioxideSulfur trioxideSulfur trioxide, SO 3, is the anhydride of sulfuric acid, H 2SO 4 . Anhydrides of organic acids, LIKE the acids themselves, CONTAIN the carbonyl group, CO. | |
| 46350. |
D[NH] = k, NH] MER= k[NH,]; a[N]For the reaction, 2NH3(g) → N2(g) + 3H2(g)d[H]k[NH ]; k[NH]dtdtthe relation between ki, k2 & k3 may be given as:(1) 1.5 ki = 3k2 = k3(2) 2k1 = k2 = 3k3(3) ku = k2 = k3(4) k1 = 3k2 = 2k3 |
| Answer» | |