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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.
| 2451. |
The substance which contain two or more than two different atoms is known as |
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Answer» ong>ANSWER: Molecules Explanation: |
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| 2452. |
*Q.* a) The solubility of copper sulphate (in 100g of water) at different temperatures is given in the following table--Observe the table and state what inference can be drawn from the given data?b) A solution was prepared by dissolving 36.5 g of sugar in water to make the solution 355g.Calculate its concentration in mass by mass percentage? |
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Answer» ONG>ANSWER: HAHAHAHAHA WEEK sfk7eadjo7yter |
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| 2453. |
ESSAY ON PEOPLE DO NOT LIKE JUNK FOOD PLZ FAST |
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Answer» don't have to eat junk FOOD ...yes eatting in less QUANTITY nothing happens...but you eat it in Very large QUANTITIES you Can cause OBESITY which is not good and you have to struggle so MUCH..... ♥Hope it helps♥ |
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| 2454. |
You are provided with soda water, milk. How can you differentiate between them in terms of i) Homogeneity ii) Filtration iii) Tyndall effect? |
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Answer» mogeny (biology) similarity because of common evolution ii)Filtration is the process of separating suspended solid matter from a liquid, by causing the LATTER to pass through the pores of some substance, called a FILTER. The liquid which has passed through the filter is called the filtrate. iii)Tyndall effect, also called Tyndall phenomenon, scattering of a beam of light by a MEDIUM containing small suspended particles—e.g., smoke or dust in a room, which makes visible a light beam ENTERING a window. like my ANSWERS and mark me as a brilliant |
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| 2455. |
It is possible to construct house that are water proof? |
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Answer» ong>ANSWER: YES it is possible to CONSTRUCT hoses which are water proof..... |
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| 2456. |
Write any two example of mixture of immiscible liquid. |
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Answer» ONG>ANSWER: The classic example of immiscible liquids is oil and water. Water is very polar; the positive hydrogen END of the molecule forms especially strong hydrogen bonds with the negative OXYGEN end of another water molecule. ... Oil is a non-polar molecule, so when you PUT the two liquids together, they do not mix. |
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| 2457. |
The mass of nervous tissue is known as |
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Answer» ong>ANSWER: NERVOUS tissue, ALSO called neural tissue, is the MAIN tissue component of the nervous SYSTEM. |
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| 2458. |
Write word equations for the following skeletal collationa KClO ₃ KCI+O2please do not write unnecessary things |
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Answer» ONG>ANSWER: 2KClO3 → 2KCL+ 3O2 Is the answer,,,,,,, |
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| 2459. |
'A' a) Oxalic Acid b) Generators c) Artificial jewelry 'B' 1) EMI 2) Weak Electrolyte 3) Strong Electrolyte 4) Electroplating |
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Answer» ] Artificial jewelry B] a] EMI |
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| 2461. |
Why is rusting of iron considered to be a chemical change |
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Answer» RUST is clearly a substance that is DIFFERENT from iron. Rusting is an EXAMPLE of a chemical CHANGE. ... A chemical PROPERTY of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust. |
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| 2462. |
Write one similarity and one difference between the nutrition in amoeba and human beings.lobortori |
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Answer» ong>Answer: Similarity: Both Amoeba and human beings are heterotrophs and derive nutrition from other ORGANISMS. Dissimilarity: Human beings have a COMPLEX digestive SYSTEM and different NUTRIENTS are digested in separate regions. Amoeba does not have a digestive system and all the nutrients are digested in the food VACUOLE. |
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| 2463. |
What is water gasplease explain |
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Answer» ONG>Answer: Water gas is a MIXTURE of carbon monoxide and hydrogen produced from synthesis gas. Synthesis gas is a useful PRODUCT, but requires CAREFUL handling due to its flammability and the risk of carbon monoxide poisoning. Hope it helps.... |
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| 2464. |
3. Match the following. Column A(a) Evaporation ofwaterColumn B(i) Non-periodic(b) Milk turning sour(c) Earthquake(d) Change of seasons(e) Glowing of bulbchange(ii) Periodic change(iii) Chemical change(iv) Physical change(v) Reversible change |
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Answer» ong>Answer: periodic change |
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| 2465. |
Q4. Write balanced equation for the following word equations(5)(1) Aluminium +hydrochloricacid ---->Aluminium chloride+hydrogen(ii) Nitrogen +hydrogen --->Ammonia(iii)Barium chloride +Sodium sulphate----->Barium sulphate + Sodiumchloride(iv)Iron+Chlorine.-.-.->Ferric chloride(v)Sodium oxide + |
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Answer» ong>Answer: |
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| 2466. |
Who accepted the suggestion of Henry Moseley for the formation of modern periodic table ?Tell fast |
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Answer» ong>Answer: Bohr suggested to MOSELEY that in the case of cobalt and nickel, the degree of scattering of x-rays might be PROPORTIONAL to the ATOMIC charge of each of these two ELEMENTS rather than to their atomic weights. The thought linked the ideas of the periodic table, atomic NUMBER, and x-rays. |
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| 2467. |
The students of grade 7 were asked to conduct an experiment on crystallization in the Chemistry lab. The students took some copper sulphate granules from the labelled bottle and dissolved it in some water in a dish. Then they heated it for a while using a spirit lamp. They showed the result to their teacher; but the teacher could not see any crystals of CuSO4 in the dish. The reason for this is that the crystals of copper sulphate are formed only when |
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| 2469. |
An atom with 3 protons & 4 neutrons wil have a valency of |
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Answer» ong>please MARK me as the brainliest Explanation: Lithium element Answer. If an ATOM CONTAINS 3 protons and 4 NEUTRONS then atom will be of Lithium element. The outermost orbit of Lithium has 1 Electron so it's valency COULD be +1 or -1. |
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| 2470. |
The solubility of Oxygen gas in water increases with the increase in temperature true or false |
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Answer» ONG>Answer: False Explanation: The solubulity decreses as the TEMPRATURE INCREASES |
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| 2471. |
II. Tick the points which are a remedy to air pollution: 1. Burn crackers.__2. Grow more trees.___3. Use maximum vehicles.__4. Use clean fuels.___5. Use vehicles with catalytic converters.__6. Bring deforestation.__7. Set-up more industries on crop land.__ |
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Answer» ong>Answer: GROW more trees |
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| 2472. |
K. In CuSO,5H,O the percentage of water is ......(Cu = 63.5, S = 32, 0 = 16, H= 1)b. 36 %d. 72 %nrnnerties of aa. 10 %c. 60%System |
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Answer» Molar MASS CF CuSO₄.5H₂O = [64 + 32 + (16 x 4)+ 5 (2 x 1 + 16)] = 250 Mass of water of crystallisation = 5 ( 2 x 1 + 16) = 90 % of water of crystallisation = Please mark me brainliest |
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| 2474. |
K. In CuSO4.5H2O the percentage of water is ......(Cu = 63.5, S = 32, O = 16, H= 1)b. 36 %d. 72 %a. 10 %c. 60 % |
| Answer» ENTAGE of WATER is 10% | |
| 2475. |
How many grams of oxygen will be required to react completely with 27 gof Al? (Atomic mass : Al = 27,0 = 16)b. 16d. 32a. 8c. 24 |
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Answer» ong>Answer: 32 Explanation: |
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| 2476. |
(iii)When a piece of wood is completely burnt in air the mass of ashis (more,less)than wood. This isbecause mass ofthe (solid, gaseous)productsformed after the reaction are not taken. |
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Answer» ONG>EXPLANATION: the MASS will be less than wood |
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| 2478. |
Define matter in short answer |
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Answer» ONG>ANSWER: subject or situation that you MUST THINK about and give your attention to |
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| 2479. |
Vessel is which kind of verb |
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Answer» ONG>ANSWER: Here is why you should ship Stelena and not Delena. The term comes from the noun 'relationship' and was first used to talk about a ROMANTIC relationship between the two main characters in The X-Files, Fox Mulder and DANA Scully. |
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| 2480. |
What is the difference between homogeneous and heterogeneous mixtures?Give an example of each mixture. |
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Answer» ong>Answer: A homogeneous mixture has the same UNIFORM appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly DIFFERENT substances or phases. The three phases or states of matter are GAS, liquid, and solid. I hope this will may help you. PLEASE MARK me as brainlist. thank you. |
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| 2481. |
3 Ina dark room+sunlight enteringfrom a window. Raju observed therandom / zigzag movement of dust particlesin air in that light path!" |
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Answer» ong>Answer: f7çk Explanation: |
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| 2482. |
Is Boron a non-metal or metalloid ? Please answer fast. |
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Answer» ONG>ANSWER: Non-Metal thanks good MORNING..... |
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| 2483. |
Tangle means ....... |
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Answer» a confused mass, ESPECIALLY of threads, HAIR, BRANCHES, ETC. that cannot easily be separated from each other |
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| 2485. |
Classify to the state air ,rubber water honey steel oil , gas , oxygen |
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Answer» ong>ANSWER: GAS is the right answer of your QUESTION please mark me as a brainlist |
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| 2487. |
What are inter molecule force |
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Answer» ong>Explanation: INTERMOLECULAR forces are the forces which MEDIATE interaction between atoms, including forces of attraction or REPULSION which act between atoms and other types of neighboring PARTICLES, e.g. atoms or ions. Intermolecular forces are weak relative to intramolecular forces – the forces which hold a molecule together. ...follow me.... |
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| 2489. |
Muje answer mil Gaya bro but thank yo for help me ...... |
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Answer» y..................... ( ˘ ³˘)♥ |
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| 2490. |
Solve this question.....for (molecular mass)..... |
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Answer» ONG>Answer: 12x6+12+16×6 72+12+96=180❤️✌️ |
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| 2491. |
Class 9read this.......... and very helpful for you..... |
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Answer» ONG>ANSWER: oooh dear ye padhke bhot YRS ho chuke hain❤️✌️it's LIKE a throwback❤️ Explanation: gm buddy❤️ |
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| 2492. |
On monoxide. 40. Which of the following acid is present in acid rain ?(a) Tartaric Acid(b) Acetic acid(c) Sulphuric Acid(d) Adipic Acid |
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Answer» ong>Answer: SULPHURIC Acid............. |
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| 2494. |
What are materials required for the separation of components of air ? |
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Answer» ong>ANSWER: The most common method for air separation is fractional distillation. ... High purity oxygen, nitrogen, and argon, USED for SEMICONDUCTOR device fabrication, require CRYOGENIC distillation please MARK as brainlist ✌️✌️✌️✌️ |
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| 2495. |
2.73÷1.3 please answer step by step solution.... |
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Answer» ONG>ANSWER: 2.73 ÷ 1.3 = 2.1 hence 2.1 is the answer |
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| 2496. |
nickel (III) oxide is a black solid that decomposes to yield nickel metal and oxygen has. If 380.4 grams of nickel (III) oxide starts the reaction how many grams of nickel metal should the reaction yield? Determine the percent yield if 265.8 grams of nickel was collected |
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Answer» ong>Answer: answer is on GOOGLE plz ASK it from there thank u |
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| 2497. |
Q:- Find the amount of Salt required to form 40% solution ( mass by mass % conc. ) in 450g of solvent. please answer the questionanswer the question I will mark it brainliest answer |
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Answer» ong>Answer: MAS of common salt (SOLUTE)=40 g Mass of water (soluted) =320 g mass of solution=320+40 =360 g concentration of solution= massofsolution M mass
ofsolute
×100 360 40
×100=11.11% HENCE, the concentration of the solution is 11.11% hope you like it plzz mark me as brainlest |
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| 2498. |
Which is the valence shell of oxygen ? |
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Answer» ong>Answer: six Valence ELECTRONS are the electrons in the outermost shell, or energy LEVEL, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and FOUR in the 2P subshell. |
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| 2499. |
Q7:- Find the muss %. conc. of a solution prepared by adding 50g of Iodine in 500g of alcohol ?please answer the questionanswer the question I will mark it brainliest answer |
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| 2500. |
Why is rusting done on a iron nail when kept out of water for sometime ?? |
Answer» ONG>Answer:because oxygen and WATER present in atmosphere become in contact with each other for a PERIOD of time,it RESULTS in PRODUCTION of rust |
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