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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. |
Which has more dipole moment,cis vinyl chloride or trans vinyl chloride? |
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Answer» Answer: cis vinyl CHLORIDE has more dipole moment than TRANS vinyl chloride..... |
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| 2. |
The three compounds formed when dimethyl sulfide is burned in excess oxygen |
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Answer» Answers
please mark as BRAINLIEST |
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| 3. |
1) Define the following termsa) Brittleness.2) Which of the following is a mixture.Salt, Air, Water, Alum, Sugar3) Separate out metals and non- metals from the followingCopper, Chlorine, Carbon, Tin, Neon.4) Write any 2 uses of metals in your daily life. |
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Answer» Answer: hello Explanation: 1)Brittleness is the property of the material by virtue of which it breaks without significant PLASTIC deformation, when subjected to stress. 2)air 3)METALS:copper,tin non metals:chlorine,carbon and neon 4) FIRST use :iodine is used as a treatment for injuries second use:stainless steel :storage plzzz press thnx button and mark as BRAINLIEST thank you |
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| 4. |
7. Two- thirds of the earth is covered with water. Then why do we need to conserve this natural resource |
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Answer» Answer: We need to conserve our Natural Resources because it is the main source of our daily needs. We need to conserve it because they are limited only. And if these resources are abused and harmed, we will have SHORT quantity of sources for food and living. At the same time, we can also be harmed. we need to conserve WATER because only one percent of the earth's water is FRESHWATER and other are not fresh Hope it HELPS you like my answer mark me the brainliest and follow me |
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| 5. |
6. Classify the following into renewable and non renewable resources:Oxygen, coal, metals, water, sunlight, forests, petroleum |
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Answer» Hey mate, Oxygen :- RENEWABLE Resource Coal :- Non-Renewable Resource Metal :- Non-Renewable Resource Water :- Renewable Resource Sunlight :- Renewable Resource Forests :- Renewable Resource Petroleum :- Non-Renewable Resource Follow KRNE KE sath sath brainliest ANSWER mark KR dena... Genius rank pr pahunchana h... |
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| 6. |
5. Differentiate between –a. Exhaustible and Inexhaustible resources.b. Evaporation and Condensation. |
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Answer» Answer:
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| 7. |
4. How can you observe the 3 forms of water?a. In natureb. At home |
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Answer» Answer: |
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| 8. |
Example of disproportion reaction |
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Answer» Answer: disproportionation reaction is when a MULTIATOMIC species whose pertinent ELEMENT has a specific OXIDATION state gets oxidized and reduced in two separate half-reactions, yielding two other PRODUCTS containing the same pertinent element. A convenientexample is Mn2O3 becoming Mn2+ and MnO2 . |
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| 9. |
Why is synthetic fibre called synthetic? Give example to justify your answer. |
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Answer» those fibre which is synthesis by human by artificial METHOD is CALLED SYNTHETIC fiber eg:polyester fibre |
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| 10. |
Is silicone macro molecules |
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Answer» Answer: Silicon has a similar structure as diamond. All the silicon atoms are bonded together by strong covalent bonds in a tetrahedral arrangement. Each silicon atom has four VALENCE electrons which are used to form four covalent bonds to four other silicon atoms. ... Silicon is HARD THOUGH not as hard as diamond.Explanation: mark me and FOLLOW me |
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| 11. |
3. How does water regulate human body temperature? |
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Answer» WATER has the capacity to regulate the internal temperature of the BODY in response to the external temperature. Sweat is the main means by which water PREVENTS the human body overheating when the temperature outside it is very high(1). The evaporation of sweat brings a loss of calories, in the form of HEAT(2). |
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| 12. |
Al (OH)3-------->Al2O3 +H2O |
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Answer» 2(Al(OH) 3)----------->Al2O3+3(H2O) it is a DECOMPOSITION reaction. pls mark the answer as the brainliest |
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| 13. |
Number of p-p single bonds in white phosphorus |
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Answer» Answer: The tetrahedral white PHOSPHOROUS (P4) MOLECULE has 6 P-P BONDS. |
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| 14. |
Is heating of aqueous solution of salt physical or chemical change |
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Answer» Answer: Physical change, and if u heat it after that and the SALT decomposes, then it's chemical Explanation: If you're heating the AQUEOUS solution, the water will evaporate and you're LEFT with the salt. this is physical. |
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| 15. |
1 gram sample containing Na2C2O4 is titrated with 40 ml volumeof 0.02M k2Cr2O4 in acidic medium then weight percentage of Na2C2O4 in sample?pls answer quickly |
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Answer» Answer: sic fb NG gf KO Explanation: |
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| 16. |
2. Differentiate between renewable and non-renewable resources with examples. |
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Answer» Answer: Sunlight, WATER, wind, WOODS, forest, are the renewable resources. Petrol, coal, NUCLEAR energy, natural gas are typical EXAMPLES of non-renewable resources. Renewable resources can be used again and again. Non-Renewable resources have a limited supply and once used cannot be regained. HOPE IT WILL HELP YOU |
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| 18. |
1. Molar concentration of solute is also called as normality. |
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Answer» Answer: Normality can be DEFINED as GRAM equivalent of solute dissolved in one cubic decimeter or one LITER of SOLUTION. The unit of normality is N.Explanation: FOLLOW me and Mark as Brainlist ♥️✔️☺️ |
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| 19. |
What is skeletal reaction |
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Answer» Answer: Skeleton reaction or unbalanced equations are mostly used in chemistry. In a skeleton equation you put CHEMICAL formulas in place of chemical NAMES. A skeleton equation doesn't show the RELATIVE and balanced amounts of reactants and products. It's regarded as a step to WRITING a complete chemical equation. plz mark me BRAINLIST |
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| 20. |
What do you mean by precipitate ? |
Answer» cause yo be deposited in SOLID form from a SOLUTION .....PLS mark as BRAINLIST i am in NEED |
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| 21. |
Explain solid state |
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Answer» Answer: Solid State = the state of matter in which MATERIALS are not fluid but retain their boundaries without support, the atoms or molecules OCCUPYING fixed positions with respect to each other and UNABLE to MOVE freely. |
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| 22. |
Calculate equivalent mass of sodium carbonate decahydrate |
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Answer» Na2CO3 Na2=2(22.99) C=12.01 O3=3(16.00) =(22.99)2+12.01+(1600)3 =105.99g/mol |
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| 24. |
Balancing equationplease please please answer it very fast |
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Answer» Answer: 7)2K+Cl2-----------2KCl 5)2Na+O2---------->NA2O2 |
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| 25. |
Melting point of nacl is higher than of cucl |
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Answer» Answer: |
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| 26. |
Balanced equation for sulphuric acid with aluminium powder |
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Answer» Answer: 6h2so4 + 4AL-----------2al2(SO4)3+ 6h2 this is it Mark it as brainliest hope it HELPS you |
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| 27. |
CH3 − CH2 − CH2 − CH = CH2 + H2O reacción |
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| 28. |
What is ethanol?What is molecular formula for ethanol |
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Answer» Answer: Ethanol, which can also be abbreviated as EtOH, is a colorless liquid with a slight ODOR, and it is soluble in water. It is flammable and volatile, so it evaporates EASILY when left in an OPEN container. Ethanol's chemical FORMULA is C2H6O. This chemical formula can also be written as CH3CH2OH or C2H5OH. HOPE IT'S HELPFUL Plz mark as BRAINLIEST. |
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| 29. |
What happens when ferrimagnetic Fe3O4 is heated to 850 K? * |
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Answer» Answer: Ferrimagnetic FE3O4 on heating to 850K becomes Paramagnetic. This due to greater allignment of DOMAINS (or SPINS) in one DIRECTION on heating. Hope this helps.....
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| 30. |
What is laughing gas????? |
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Answer» Answer: Nitrous oxide is a COLORLESS and odorless substance that's also known as “laughing gas.” When inhaled, the gas slows down the BODY's reaction TIME. This results in a calm, euphoric feeling. Nitrous oxide can be used to treat pain. It also FUNCTIONS as a mild sedative. |
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| 31. |
Explain about Brownian Movement. |
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Answer» Hi BUDDY Here is your answer ☑️ Brownian MOTION is the random movement of particles in a fluid due to their collisions with other atoms or molecules. ... Brownian motion takes its name from the Scottish botanist Robert Brown, who observed POLLEN grains MOVING randomly in water. He described the motion in 1827 but was unable to explain it.☑️ Hope its HELP Please mark me #sibi ❤️ |
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| 32. |
What is more acedic? |
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Answer» Answer: OPTION a is most ACIDIC DUE to -I EFFECT on it mark as brainliest answer plz if it's helpful |
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| 33. |
What is mean by NOx in chemistry? |
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Answer» Answer: Explanation: Nitric oxide (NOx) Nitrogen oxide (NOx) is a chemical compound of oxygen and nitrogen that is formed by reacting with each other during combustion at high temperatures, mainly combustion of FUEL such as oil, diesel, gas and ORGANIC matter. NOx is a common designation of nitrogen oxides NO and NO2. Hope this will be helpful to you and PLEASE mark my answer as the brainleast answer.PLZ plz plz ........ |
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| 34. |
What type of clothes should we wear in summer? |
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| 35. |
What do you observe when pice of paper burnt it is physical or chemical reaction |
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Answer» CHEMICAL change Explanation: I HOPE this answer will HELP full for YOU plzz make me brainlist |
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| 36. |
Q. Calculate how many moles of electrons arefreesent in 1kg electruos sample. |
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Answer» Mass of an ELECTRON= 9.1 x 10^-31 KG. AVAGADRO Number=6.022 x^10^23. So 1Kg of ELECTRONS contain 1.825 x10^6 moles of electrons. |
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| 37. |
Melting point of nacl is higher than that of cucl |
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Answer» <STRONG>Answer: because Nacl is bounder by a strong FORCE of ATTRACTION between oppositely charge IONS which need more energy to seperate from each other. |
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| 39. |
A magnesium ribbon must be cleaned before burning it in air . Why |
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Answer» Answer: Answer : Magnesium RIBBON must be CLEANED before burning in AIR so that the the layer of magnesium oxide (which is formed DUE to reaction of magnesium with air) can be removed in order to get the desired chemical reaction. Explanation: |
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| 40. |
What do you observe when water is boiled |
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Answer» it becomes HOT and WATER VAPOUR deposition. HOPE IT HELPS!! |
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| 41. |
What is Chromatography?? |
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Answer» it is a technique of SEPARATION of MIXTURE by passing it in a solution or SUSPENSION |
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| 42. |
Solids do not possess the property of diffusion |
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Answer» Answer: Solids do not possess the PROPERTY of diffusion because : They have strong intermolecular forces of attraction. ... Diffusion is BASICALLY the intermixing of particles. If there is no SPACE, so no MIXING due to which they don't possess this feature of being diffused. |
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| 43. |
Valency of carbon in C2 H2 |
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Answer» H–C≡C–H The OXIDATION state of each CARBON in ETHYNE is '–1' , i.e., '–2' for two carbon ATOMS |
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| 44. |
What type of reaction is presented by digestion of in our body |
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Answer» decomposition REACTION . . . . . hope it HELPS you . . . . . . PLZ follow me |
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| 45. |
Give reasons for baklite is used for making electrical goods?? |
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Answer» ANSWER: BAKELITE is used fo making electrical goods because it is thermosetting plastics which DOESNOT melts on heating but becomes more harder on heting. Explanation: |
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| 46. |
FiND the no of moles of hydrogen in 49g of h2so4 |
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Answer» Answer: Explanation: no of moles of HYDROGEN= GIVEN MASS /molar mass 49/2=24.5 |
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| 47. |
If alpha is the degree of dissociation of the reaction 2h2s gives 2h2 +s2and p is the total equillibrium pressure then kpof the reaction is given by |
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Answer» INTERESTING facts FOLLOW me if you want more....XD |
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| 48. |
The half life time of first order disintegration reaction if 87.5% of initial amount disintegrated in 90 minutes |
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| 49. |
Please solve this question : 11 question |
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Answer» Explanation: because b is a CORRECT answer |
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| 50. |
Arrhenius equation represent1.energy of activation2.potential energy3.kinetic energy4.none of the above |
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Answer» Hello user, |
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