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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.
| 801. |
What will be the atomic number of one and a half grams of caco3 carbon |
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| 802. |
In order of increasing intermolecular forces, Buna-S, Polythene, Nylon 6,6. |
Answer» In ORDER of INCREASING INTERMOLECULAR forces,Buna-S, Polythene, NYLON 6,6 |
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| 803. |
Write a balance ionic equation for the radius reaction between acidified heptaoxodichromate (vi) ion and chloride ion |
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Answer» the BRANCH of SCIENCE CONCERNED with the SUBSTANCES of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances. |
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| 804. |
What is the structure of C2H2 in sp2 hybridisation. |
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| 805. |
द बॉलिंग पॉइंट ऑफ सॉल्यूशन कंटेनिंग 6.62 ग्राम ऑफ सब्सटेंस इन हंड्रेड ग्राम ऑफ वाटर इन हायर बाय 0.0512 द बॉलिंग पॉइंट ऑफ़ वाटर इन व्हाट इज द मोलर मास ऑफ सब्सटेंस |
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| 806. |
An iron pipe coated with ____ is called a galvanised pipe.a)leadb)zincc) chromium d)copper |
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Answer» MARK. E as the BRAINLIEST |
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| 807. |
calcium metal crystallizes in a Centre cubic lattice prepare with length of 0.5 NM calculate the density of the metal |
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Answer» zdyygcfdd aetvvji erfhhjk zdyygcfdd aetvvji erfhhjk zdyygcfdd to |
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| 808. |
which one is correct 12. (S) 1 mole of oxalic acid is treated with conc. H2SO4. The resultant gaseous mixture is passed through a solution of KOH. The mass of KOH consumed will be (where KOH absorbs CO2.) (COOH)2 H.SO CO+CO, +H2O 2 KOH+CO2 - -→ K,CO, +H2O (a) 28 g (b) 56 g (d) 112 g (c) 84 g are mixed in 1L |
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Answer» Answer: asfhbit DSTV ARCH services such as ch but dyi HI vceryhhf sefcgh fxcvbhuy DCC |
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| 809. |
polyhydric alcohol which is used as moisturizing agent ? (a) glycol (b) glycerol (c) both of these (d) none of these |
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Answer» Answer: Which hindrance of commerce is highlighted in the following activities? a. It REMOVES the GEOGRAPHICAL separation between producers and consumers b. Banking and financing institutions provide necessary FUNDS to CARRY on business activities c. Insurance protects the goods in case of damage due to THEFT, fire and accidents. d. Warehousing facilities holding goods till they are required. 10. Identify the types of industry highlighted in each of the following |
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| 810. |
1. Describe the occurrence of carbon in freestate and combined state as inorganic andorganic compounds. |
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Answer» dktosotos the TOSS and elected to bat first view and LIKE this in full process 87 |
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| 811. |
Calculate the no of moles in 96 grams of SO2 |
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Answer» THE NUMBER of moles of SO2 present in 64 g of SO2 is 6464=1mol . 1 mole of any substance contains AVOGADRO's number of molecules which I'd 6. |
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| 812. |
Which is the intensive property?a) Temperaturec) Surface tension6) Viscosityd) All |
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Answer» Explanation: An intensive property is a property of MATTER that does not change as the amount of matter CHANGES. It is a BULK property, which MEANS it is a physical property that is not dependent on the SIZE or mass of a sample. ... Examples of extensive properties include mass and volume. |
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| 813. |
Methane burns in oxygen to produce CO2 and h2o. in this experience a mixture of 0.5mol of methane was burnt in 2mol of o2. find the limiting reagent. |
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| 814. |
what is the gravitational acceleration of a spaceship at a distance equal to two Earth's radius from the centre of the Earth? |
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Answer» Answer: 9.8 ms−2 is the gravitational acceleration of a SPACESHIP at a distance EQUAL to two EARTH's radius from the CENTRE of the Earth. I hope it will help you |
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| 815. |
What would be the IUPAC name and symbol for the element with atomic number 101,105,112,117and120 |
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Answer» Answer: 101 = UNNILUNIUM (unu) 112 = Ununbium (Uub) 117 = UNUNSEPTIUM (Uus) 120 = Unbinilium (UBN) |
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| 816. |
Find the number of moles in 10g of caco3 ,1 into ten to th power three molecules of co2 |
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Answer» Answer: 0.1 Therefore, NUMBER of MOLES in 10G of CALCIUM CARBONATE is 0.1. |
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| 817. |
Chlorination of nitrobenzene in the presence of FeCl3 yeilds m-chlorotrobenzene as the main product? Why? |
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Answer» Explanation: because NO2 is electron WITHDRAWING group it DECREASES electron density at ortho and PARA position and increase electron density at meta position.so any electrophile will SUBSTITUTE at meta position only |
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| 818. |
23 gm of sodium and 238 gm of uranium have equal number of atoms in them |
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Answer» Answer: YES both have same number of ATOMS Explanation: because 23 grams of sodium and 238gm of uranium MEANS ONE mole. one mole have 6.023×10^23 atoms |
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| 819. |
MgCl4.The covalent bond diagram pls |
Answer» HEY mate, KINDLY refer the ATTACHMENT 'sExplanation:thank you |
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| 820. |
Which salt will give basic solution on dissolution in water?a) Salt of strong acid and strong base b) Salt of weak acid and strong basec) Salt of weak acid and weak based) salt of strong acid and weak base. |
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Answer» Explanation: SODIUM BicarbonateBecause the bicarbonate ion is the CONJUGATE BASE of carbonic acid, a WEAK acid, sodium bicarbonate will yield a BASIC solution in water. |
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| 821. |
Which of the following compound give yellow precipitate with iodine and alkalie?A)Propane-2-olB)acetophenoneC)Methyl acetateD)Acetamide |
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Answer» Answer: B is the correct one CH3COR is oxidized by NaOI to form IODOFORM and RCO2Na wherein C6H5COCH3 +NaOH+I2→C6H5CO2Na+CHI3 Methyl acetate and Acetamide will not give a yellow precipitate. Acetophenone will give a yellow precipitate.
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| 822. |
36. An element 'X' forms two compounds 'A' and'B'. The percentage by weight of element Xin each compound was determined, which aregiven below:Compounds Percentage of X MolecularweightA50 %114B50 %152Calculate the maximum possible value ofatomic weight of element X.(a) 23(b) 19(c) 39(d) 27 |
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| 823. |
What is speed?hi everyone |
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Answer» Answer: everyday USE and in kinematics, the speed of an OBJECT is the magnitude of the rate of change of its position with TIME or the magnitude of the change of its position per UNIT of time; it is thus a scalar quantity. SI unit: m/s, m s−1 Dimension: L T−1 |
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| 824. |
Calculate the number of GAM in the following samplea) 20g Heb) 36g C |
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Answer» ok Explanation: |
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| 825. |
Number of HIO4 required to cleave the moleculeCH2-OH|CH-OH|C=O|CH2-OH |
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Answer» Answer: Oxidation-reduction · 1,2- or VICINAL diols are CLEAVED by periodic ACID, HIO4 , into two CARBONYL compounds |
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| 826. |
When 0.5g of Nacl present in 1000g of water then calculate the freezing pointof solution? (kf=1.7Kkg/mol) |
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Answer» tejjgh irjrhrhr bjrhr rrjhr rburbr R |
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| 827. |
The conjugate base of NH2 is a) NH3b) NH2OHc) NH2+d) N2H2 |
Answer» ANSWER:NH2OH ( b )EXPLANATION:HOPE HELP u ☺️☺️☺️☺️☺️ |
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| 828. |
Mass percent of water in sugar solution of mass 440g is 78% by mass . Calculate the mass of sugar in solution |
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Answer» your answer |
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| 829. |
The total number of different primitive unit cells are..?? |
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Answer» Explanation: So since there are total 8 ATOMS in a primitive cubic unit cell, the total number of atoms in the primitive cubic unit cell. So there is only 1 ATOM in a primitive cubic unit cell... If you find my ANSWER informative, then PLEASE mark me as brainliest. :) HOPE you have a good day! |
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| 831. |
Need the observation of the picture |
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Answer» Explanation: TU ANDHI HAI DIKHTA NAHI KYA USNE BEAKER MEIN GLASS DALA HAI KHATAM AUR BEAKER MEIN PANI HAI .JAI SHREE RAM BRAINLIEST MARK KAR NAHI TOH ITNE CHED KARENGE KI SOCHOGE SAANS KAHA SE LE PADE KAHA SE |
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| 832. |
How many sigma and pi bonds are there in HNO3 |
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Answer» Answer: Nitric acid includes 5 atoms so we'll use the hybrid orbital APPROXIMATION for the molecular orbital diagram. There are 2 equivalent Lewis structures for HNO3. The NITROGEN atom MAKES 3 sigma bonds in each structure so it is 2sp2 hybridized with a remaining 2p orbital. |
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| 833. |
A proton of charge 1.6 x 10-1°C and mass 1.67 x 10-27 kg is accelerated by a potential difference of 6 x 105 volts. Then its enters perpendicularly into a magnetic field of intensity 0.5 Tesla. Find the radius of the circular path of the proton. |
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Answer» Answer: you will GET your answer at toppr.com please go and CHECK there once. HOPE it's helpful |
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| 834. |
How many grams of carbon are needed to reactwith 525g of hematite |
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Answer» Answer: 2FeO3+6C->4Fe+3Co2 Explanation: |
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| 835. |
hus The nature and the size of the image formed when the object is kept between the prin - upal focus F an optical centre o of a conve - ex lens is. ans |
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Answer» Answer: The case when object is between F1 and the optical centre O of the lens SHOWS the use of CONVEX lens as a magnifying glass . This is because here the image formed is ERECT and MAGNIFIED . Explanation: |
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| 836. |
Write activity to seperate a mixture of water and augar |
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Answer» Distillation pls MARK me as BRAINLIESTT PLSSSS |
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| 837. |
An alkaline metal in period 3 |
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Answer» Answer: |
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| 838. |
Match the list 1 with 2 and select and write the correct answer |
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Answer» okkkkkkkkkkkkkkkkkkkkkk |
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| 839. |
State and explain the chemical formula a'd melocular formula |
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Answer» A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts DESCRIBING the number of ATOMS of each element present in the MOLECULE. ... The molecular formula for a compound can be the same as or a multiple of the compound's empirical formula |
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| 840. |
How many moles of carbon are needed to reachwith 525g of hematite? |
Answer» hope it's HELPFUL |
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| 841. |
6 You burn 6 grams of carbon in plenty of air: C(s) + O2(g) → CO2 (g)a What volume of gas will form (at rtp)? b What volume of oxygen will be used up? |
Answer» The GOOD PEOPLE GIVE you happiness. The worst people give you a lesson. The BEST people give you memories |
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| 842. |
ܩܘܐ Fig. 3:3I need observation of the picture |
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Answer» what you mean Explanation: which PICTURE...? |
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| 843. |
Algae and Fungi are examples of Symbiotic plants. True or False. |
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Answer» It is true. |
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| 844. |
Thing was encrypted over a porous what containing carbon monoxide Ashu in the diagram below the apparatus was to Stamford 15 minutes 5 get the value of the coloured water in the mono m remain the same |
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Answer» the BRANCH of science concerned with the SUBSTANCES of which matter is COMPOSED, the investigation of their properties and REACTIONS, and the use of such reactions to form new substances. |
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| 845. |
Identify X, Y and Z. Write two points of difference between them. |
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Answer» Xyz Explanation: |
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| 846. |
Which of the following is not an Ideal property of Solvent used in extraction? |
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Answer» Poor SOLUBILITY of impurities Major impurities (e.g., from a REACTION) should not be soluble in the extracting SOLVENT. |
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| 848. |
write a note on note on Hoffomon bromide degradation what is the action of acetic anhydride on glucose |
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Answer» ufkgjsfjzDgDhafjzsugxgskgxgjsgmstiddarusgk |
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| 849. |
What reaction happen of gas on dry litmus |
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| 850. |
(CH3)2CHCH2CH(CH3)2 iupac name |
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Answer» 2,4- dimethylpentane this is the answer |
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