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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CH4,SiH4,GeH4,SnH4,PbH4 arrange in increasing reducing power |
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Answer» Answer: CH4 > SiH4 > GeH4 > SNH4 > PbH4 Explanation: |
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| 2. |
How can yu tell that the substance is not water of a heating curve for a puresubstance |
Answer» ❥Solid ice is heated and the temperature INCREASES until the NORMAL freezing/melting point of ZERO degrees Celsius is reached. ...❥The first phase change is melting; as a substance MELTS, the temperature stays the same.♥️ |
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| 3. |
Draw a flow diagram to show the five kingdom classification |
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| 4. |
Equanil is .....a......(a) artificial sweetener (b) tranquilizer(c) antihistamine (d) antifertility drug |
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Answer» OPTION (b). Equanil is a tranquilizer used for short term treatment of ANXIETY. |
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| 5. |
Which of the compound is true for 2 moles of an ideal,gas |
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| 6. |
[Co(en)3]+3 is thermodynamically more stable than [Co(NH3)6]+3 |
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Answer» Answer: becouse of CHELATION FIRST compound is more stable than second |
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| 7. |
What is the bond order of o2 according to MOT |
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Answer» bond ORDER of O2 is 2 according to MOT and it is PARAMAGNETIC |
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| 8. |
In the reaction 2PbO + C → 2Pb + CO2a) PbO is getting reduced, (b) Pb is getting oxidized,(c) C is getting reduced, (d) PbO is getting oxidized |
Answer» A) PBO is GETTING REDUCEDis the RIGHT answer..:)(: |
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| 9. |
A 0.674M cobalt (II) chloride (CoCl2) solution is prepared with a total volume of 0.0750L. the molecular weight of CoCl2 is 128.9 g/mol. What mass of CoCl2 in grams is needed for this solution? |
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Answer» hstsvbxjcj has a LITTLE BIT more INFORMATION than you will be |
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| 10. |
Write down the characters of chemical reaction?? |
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Answer» Answer: the reactant are on LHS and PRODUCT are on RHS.IT has to be BALANCED to FOLLOWthe law of CONSERVATION of mass.... :) |
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| 11. |
Please suggest me some AP and quadratic equation questions (10th STD) |
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| 12. |
What changes can be accompanied by a chemical reaction?a) Change in colour, (b) Change in physical state, (c) Change in energy, (d) All of these. |
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Answer» all of these is the ANSWE |
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| 13. |
Differentitate between physical and chemical change |
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Answer» Answer: The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in QUESTION; in a physical change there is a difference in the APPEARANCE, smell, or SIMPLE display of a sample of MATTER without a change in composition. |
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| 14. |
How long will it take for a current of ampere to deposit 1.998gm of silver |
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Answer» hdkyi5iofjggul8lkufflyfo mfzndz vdgjyxidhrdhzursursurzurd vhlfyfjtdtjzdjatkxktsykektxgkstjzgks4uwrue5ieieie86ei6r8484 85059r9444 85059r9444 4895p745o5o494o64ooo5o75k77l Explanation: luhrkyroygulfulfkyxykxkgdykfykdmtfjtcnfjtdykfkyduh.lglugkfukuhmtutlflglglugilgigihiuuguigulfykdkdtjdrusjsjdfndfnscndj sfsntfnfnfjdhcdbdbhdhdhdhdhdhdhdhv ZZ ZV,vzvv zdvbdhddhdvgfsgrfjfjjfdh |
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| 15. |
The reaction of bromine water vegetable oil is a addition or displacement or double displacement or combination |
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Answer» Answer: plz follow me |
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| 16. |
Why is small amount of acid added during the process of electrolysis? |
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Answer» Acid is ADDED because acid is a GOOD electrolyte .It conducts electricity..... follow me ✌️ |
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| 17. |
Which of the following is a single displacement reaction?a) NaCl + AgNO3 → NaNO3 + AgCIb) Zn + H2SO4 → ZnSO4 + H2c) 2Mg + O2 → 2Mgod) C2H5OH + 302 → 2002 + 3H20 |
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Answer» (B)ZN + H2SO4 → ZnSO4 + H2 is a SINGLE displacement REACTION. ___________ @zaqwertyuioplm :) |
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| 18. |
An aqueous 2.00M hydrochloric acid solution is prepared with a total volume of 0.350L the molecular weight of hydrochloric acid is 36.46 g/mol. What is the mass of hydrochloric acid in grams needed for this solution? |
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Answer» The SOLUTION is in the ATTACHMENT. |
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| 19. |
Which of the following is not a physical change?a) Melting of ice into water, (b) Boiling of milk, (c) Sugar dissolution in water, (d) Combustion of Magnesium |
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Answer» Answer: <U>(D) COMBUSTION OF MAGNESIUM. HOPE IT HELPS U PLZ MARK BRAINLIEST IF IT HELPS U ###DRISHTI |
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| 20. |
Hydrogen gas obtained from natural gas is used in the production of |
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Answer» Answer: Hydrogen gas may be used in fuel cell for local electricity GENERATION or potentially as a TRANSPORTATION fuel etcExplanation: MARK the answer BRAINLIESTS please |
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| 21. |
Write IUPASC name and structure formula first of hydrcarben of alkane series? |
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Answer» the FIRST HYDROCARBON of alkane series is METHANE the STRUCTURAL FORMULA AND STRUCTURE IS IN PICTURE |
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| 22. |
Which compound is used for artificial ripening of fruits |
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Answer» ethylene is used in RIPENING of fruits which is a gaseous plant growth regulator. Explanation: hope the answer will HELP you |
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| 23. |
What are the harmful effects of doping in sports |
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Answer» Explanation:
These are the substances that have both anabolic and androgenic properties. ‘Anabolic’ means ‘TISSUE building’ and ‘androgenic’ means ‘masculinizing’. The anabolic properties may affect accelerated growth of muscles and bones while the androgenic properties may affect DEVELOPMENT of MALE reproductive system and secondary male sexual characteristics such as hairiness and deep voice. The anabolic androgenic steroids can be derived both endogenously (natural) as well as exogenously (synthetic). General Side Effects:Greasy skin and acne Infertility Hypertension Liver and kidney dysfunction Aggressive behaviour Tumour |
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| 24. |
Which among the following is exothermic reaction?a) Mixing of calcium oxide with water, (b)Electrolysis of water,(c) Dissociation of Calcium Carbonate, (d) Dissolution of ammonium chloride in water |
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| 25. |
How are ceramic article is made? |
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Answer» MARK as BRAINLIEST ❤❤❤ |
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| 26. |
The chemical formula of Iron (III) oxide isa) FeO, (b) Fe2O3, (c) Fe304, (d) None of the above |
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| 27. |
What products formed when chlorobenzenereacts with sodium methoxide |
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Answer» Answer: The Chlorobenzene and the Sodium Methoxide react to produce ANISOLE in the presence of CUPRIC Salts. This reaction goes under a specific MECHANISM. That mechanism is known as SN2 mechanism. Anisole is the ultimate PRODUCT when you combine Chlorobenzene and Sodium Methoxide in the presence of any Cupric Salts.█▬█ █ ▀█▀♔〘Ł€Ǥ€ŇĐ〙♔Rᴇᴅɪsᴄᴏᴠᴇʀɪɴɢ Lᴏᴠᴇ♥ⓛⓞⓥⓔ♥βyё♥βyёτнänκ чöü♥ |
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| 28. |
Boyle's law kis process ke liye manya hai?१) samdabi २) samtapi ३)samaaytani4)adiabatic |
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Answer» Answer: 2 Explanation: boyle's LAW me taapmaan same reheta H aur jaise P badhta h vaise V kam hota h please MARK my answer as brainliest |
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| 29. |
Balanced equation of potassium oxide |
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Answer» K2O Explanation: K+O2 |
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| 30. |
Plz help me with this questions .. |
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Answer» B) 7 a) H2O b) SiCl4 b) 11.5 C2 H2 is the answer c) PH3 a) H2S b) BF3 a) sigma bond is weaker than πbond |
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| 31. |
What is operculum in monocotyledon plant |
Answer» ɑn operculum is ɑn EXINE THICKENING thɑt COVERS most of ɑn ɑperture. Monocot operculɑ ɑre usuɑlly ɑssociɑted with SULCI, ɑlthough they cɑn occur in ulcerɑte ɑpertures, ɑs in Poɑceɑe.█▬█ █ ▀█▀Rᴇᴅɪsᴄᴏᴠᴇʀɪɴɢ Lᴏᴠᴇτнänκ чöü♥♥ⓛⓞⓥⓔ♥βyё♥βyё |
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| 32. |
In reaction Zn + Cuso. → ZnSox - Cua) Zn gets Ovidized, (b) Zn is more reactive than Cu, (c) Zn is a reducing agent (d), All of the above |
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Answer» first of all ur REACTION is wrong the actual react is zn+2cuso4--zn(so4)2+2cu actually this reaction will TAKE place and zn DISPLACES CU so the correct option is b |
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| 33. |
Define a periodic change . Is rusting a periodic change |
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Answer» Explanation: Formation of rust is a new SUBSTANCE formed by the reaction of oxygen with iron which is TERMED as chemical change and it can not be REVERSED or repeated,Hence RUSTING of iron is not a PERIODIC change. |
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| 34. |
Which of the following has most Acidic hydrogen |
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Answer» Answer: 1) 3- HEXANONE 2) 2,4- Hexanedione. 3) 2,5- Hexanedione 4) 2,3- Hexanedione. 2,4 Hexanedione has most acidic hydrogen this is because the Carbanion left after the REMOVAL of H+ is resonan Explanation: FOLLOW me |
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| 35. |
In the fermentation of sugar, the concentration is reduced from 0.12M to 0.06M in 10h and to 0.03M in 20h. The order of the reaction is? |
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Answer» Answer: Given, CONCENTRATION is reduced from 0.12 M to 0.06 M in 10 h. So, t 1/2 =10h Conc reduced from 0.12 M to 0.03 M in 20hr. So, t 3/4 =20h t 3/4 =2×t 1/2
This is valid only for 1st ORDER Reaction. So,Order is 1 pls mark me brainlest |
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| 36. |
What is vacant volume in one mole of water at 298K |
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Answer» Answer: 25 Explanation: 298K=273+x x=298-273 x=15°c |
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| 37. |
What happens when hydrochloric acid reacts with sodium bicarbonate |
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Answer» Answer: The reaction of sodium bicarbonate and hydrochloric acid will produce sodium CHLORIDE, WATER, and CARBON dioxide. pls mark it as BRAINLIEST |
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| 38. |
bhayi mi aur mera frnd tomorrow mera old bf ka confusion dur karne wake hi mi chahti hu ki vo mujhe permanent se chod dale |
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Answer» Answer: Oh....!!aapne APNE FRIEND se is bare me bat kiye the Explanation: Aapko LAGTA hai man jayega vese aap bologe YA aapki friend aapke old bf KO |
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| 39. |
What a great day change in passive voiceGOOD NIGHT SWEET DREAMS DEAR'S!!I'll surely talk to u Morning!! Bye Bye, Bye Bye, Bye Bye, Bye, All LIKE U ALL! |
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| 40. |
Q.66: If an element of II-A group react with an element of VII-A group then the bond betweenthen will be:A) Coordinate covalentty) TonicB) CovalentD) Non-polar |
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Answer» ionic Explanation: Q.66: If an element of II-A GROUP react with an element of VII-A group then the bond between then will be: A) Coordinate covalent ty) Tonic B) Covalent D) Non-polar ionic is correctbc bond between non metal and metal is ALWAYS ionic. |
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| 41. |
B) Draw a neat labelled diagram of Radial vascular bundle |
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| 42. |
the atomic no. of an element is 92 and mass no. is 234. find out the no. of electrons, protons and neutrons present in it? |
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Answer» NUMBER of electrons and PROTONS is 92 number of neutrons is (234 - 92) = 142 Explanation: |
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| 43. |
Bhul kore hoye geche sibantonialien it's comon everybody knows alien especially cute alien sis lol xD xD now smile I remember u till now just u cone on during 12 or 1 that's why I can not talk cuz at that time I complete 100% net lol @bosom worst night yesterday something happened fishy here in our house today we means I and my cousin sis will be sleeping together we donno what was happening in our house but, we three means my uncle,cousin and me felt someone following us ahhh I again started to fear ghosts I donno why we all three felt that inside our safe home if today I feel na I will just catch the ghost nothing else this is not a joke dear I am true pakka bruvv not only flw I donno what u r feeling but, don't feel sad u r still young to let the world break you try to understand this proverb u will get wht i told |
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Answer» Answer: |
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| 44. |
How many moles of S in 1 mole of H2SO4 |
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Answer»
mole sulphuric acid CONTAINS 2 moles HYDROGEN, 1 mole sulphur and 4 moles oxygen. The number of atoms in the formula tells the number of moles in 1 mole of the compound.20-Mar hope it will HELP you & please MARK me as a brilliant
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| 45. |
$\small{Volatile Solutions}$ |
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Answer» Answer: If you have a volatile substance, it will have a HIGH vapor pressure and a low BOILING POINT. An increase in temperature will CAUSE an increase in vapor pressure, or the pressure at which the gas phase is in equilibrium with the liquid or SOLID phase |
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| 46. |
3 litters of gas at STP weights 2grams How much molecular mass of gas |
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Answer» Explanation: plz BRAINLIEST kar do AAJ mera BIRTHDAY HAI |
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| 47. |
Atom is indivisible . is it true? Give reason for your answer. |
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Answer» False Explanation: An atom is defined as the smallest individual particle of a MATTER. Atom was the indivisible particle up TILL Dalton’s theory. Then in 1897 when J J Thomson discovered electrons he stated that atoms are divisible. Then new subatomic particles proton, electron, and NEUTRON were discovered so now atom is divisible. HOPE IT HELPS....NOW PL MARK ME AS BRAINLIEST |
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| 48. |
Hunds rule is not applicable to A)NE B)C C)O D)N E)ALL ARE NOT APPLICABLE |
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Time to ride the rainbow to dreamland! Good NIGHT |
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| 49. |
Calculate the crystal field stabiligation energy for a d8 ien ion in octahedral and Tetrahedral complex. Which is more stable & why? |
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| 50. |
Who invented Hand pump ? |
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