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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.
| 44451. |
Name the substance used for white washing.........science quiz ques... |
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Answer» Substance used for white washing is Na2Co3.10H2O(sodium carbonate decahydrade) CaO CaO CaO (calcium oxide) Calcium oxide |
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| 44452. |
Means to start ionisation process na? |
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| 44453. |
How many types of decomposition reactions are there,.... give one example fr each..... |
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Answer» Thermite decomposition ,cao + H2O ------>Ca(OH)2 photo decomposition 2AgBr------> Ag + Br2 electrolytic decomposition 2H2O ---> 2H2 + O2 There are 3 types of decomposition reactions....thermal....eg.2Feso4------fe2o3+so2+so3......electrolytic...2H2O-------2H2+O2......photo....2Agcl------2Ag+Cl2 3...heat:FeSO4 on heating gives Fe2O3+SO2+SO3. Electricity:H2O on passing electricity gives H2 and O2. Sunlight:AgBr on undergoing through sunlight gives Ag and Br2 Ab balance apne aap kr lena..? Three types 1. thermal decomposition2. Electrolytic decomposition3. Photo decomposition Here guys answer this one |
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| 44454. |
Formula for sodium seterate |
| Answer» Google it.. | |
| 44455. |
Why h2so4 is added in electrolysis of water? |
| Answer» Bcoz pure water or distilled water does not conducts electricity.. | |
| 44456. |
Are alloys have high melting point ? |
| Answer» Yes | |
| 44457. |
why transport of food in plants requires living tissues and energy |
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| 44458. |
3 major advantage of parrallel combination of resistors over series |
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Answer» Separate switches, current consumption according to need and it works even if other appliance is fused unlike series *if one appliance stop working due to some defect other appliances will keep working....... *each electrical appliances has its own switch due to which it can turned on or off independently........ *the overall resistance of the household circuit is reduced due to which the current frm the power supply is high......... |
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| 44459. |
Explain ohm\'s law with practicle |
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| 44460. |
What is rancidity? Vry simple language main |
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Answer» rancidity is aerial oxidation of oil and fats and it is not a property When fats got oxidised it makes a faul smell and the food becomes rancid. This process is called rancidity.....?? Rancidity is the property due to which oily food gets oxidised and gives an unpleasant smell and taste........agar apko aur simple chaiye to bolo....I will write it.. |
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| 44461. |
Mention five points by giving why should we conserve wildlife |
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| 44462. |
What will be the product when barium hydroxide react with ammonium chloride? |
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Answer» Sorry its ammonia, barium chloride and water Ammonium hydroxide, barium chloride and water |
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| 44463. |
Kya board exam me 20 number ke objective question a rahe hai ? |
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Answer» 14 Nooo....Maths ke paper me dikhe kya??? |
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| 44464. |
Define chain rxn with ex |
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| 44465. |
Why do we need to manage our resources . Give 5 point |
| Answer» Resources are limited.They are non renewable and exhaustable .Take millions of year to form.If not use carefull then resources will run oyt. | |
| 44466. |
Positive ions have smaller radii why |
| Answer» Positive ions have smaller radii bcoz they tend to loose electrons and such ions are on the left side of the periodic table ....and we know that atomic radii decreases on moving from left to right.. | |
| 44467. |
Prienceraj23 my Instagram id |
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| 44468. |
What is the name of biological end of fullterm gestation |
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| 44469. |
koi sources of energy ke imp topics bta do pls |
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Answer» Fuel * Ideal guel n solar cooker 1 mark ka question ayega chapter hi mt kro Nuclear fusionNuclear fission Biogas plant with diagramNuclear power point principleCharacterstics of ideal fuel2 advantages of all energys |
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| 44470. |
Why does menstruation occurs???? |
| Answer» Due to result of non fertilization | |
| 44471. |
236 page no. NCERT book |
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Answer» Electric generator hai... What |
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| 44472. |
What is the major differences b/w Breathing and Respiration? |
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Answer» Breathing is simply inhaling oxygen nd exhaling carbon dioxide but respiration is the process by which energy is released from the food... Breathing is a physical process in which inhalation and exhalation takes place...... bt.....Respiration is a chemical process in which oxidation of glucose takes place and that leads to the release of energy. |
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| 44473. |
What is the definition of overloading and shortcircuiting? |
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Answer» When the low resistance is provided by the circuit then tge flow of current increases heavily and the current is said to be short circuitedWhen all the appliances of high power rating are switches on at the same time, they draw extremely large amount of current and it is said overloadingOverloading is one of the cause of short circuiting When live wire and neutral wire come in direct contact. This is called short circuiting the current in the circuit suddenly increases which can cause harm to the devices. This is called overloading. Short circuiting: When the live and neutral wires comes into direct contact, resistance becomes almost zero and current in the circuit abruptly increases.Overloading: When a large number of high power appliances are switched on simultaneously, they draw extremely large current from the mains. |
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| 44474. |
Heart ka diag. aane ke kinne percent chances h.? |
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Answer» Almost 90% 50percent |
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| 44475. |
Difference between trypsin and pepsin? |
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Answer» Trypsin is secreted in small intestine whereas pepsin is secreted in stomach pepsin and trypsin are proteases, which means that they are both enzymes that break down other proteins, and both are major digestive enzymes. ... Pepsin is secreted by the stomach, and trypsin by the pancreas. Trypsin pancreas me produce hota hai, bt pepsin stomach me,...... trypsin basic medium me kam krta hai, bt pepsin acidic medium me....... |
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| 44476. |
Define Metallic character. |
| Answer» Level of reactivity of metals... | |
| 44477. |
Be ready for fighting Science |
| Answer» Yup | |
| 44478. |
Why magnetic field is stronger at poles |
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Answer» Give brief description Bcoz strength of magnet is highest at the poles... |
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| 44479. |
Write a chemical reaction of burning of magnesium ribbon. |
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Answer» 2Mg + O2 = 2MgO Mg + O2 -------- MgO2 is small 2Mg + o2---- 2mgo |
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| 44480. |
What happens when green vitriol is heated ?????? ??? |
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Answer» It turns into FeSO4.. Green vitriol (cuso4.5h2o)Cuso4.5h2o ------------- cuso4 + 5 h2o |
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| 44481. |
Why we can\'t store acid in metal ? |
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Answer» Bcoz it will react with metal ... Because acid reacts with metals to form toxic substances... And form salt and hydrogen gas Bacause it react with metal and |
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| 44482. |
Why is an ammeter likely to be burnt out if you connect it in parallel? |
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Answer» Konsa question Bcoz in parallel combination, the resistance becomes low, so high amount of current pass through the circuit which burns the ammeter... |
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| 44483. |
What is modern periodic table? |
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Answer» Physical and chemical propertie of element is periodic function of there atomic number It is a table in which all elements are arranged & it helps to study the properties of all elements According to this elements are arranged in increasing atomic number and mass number and make groups and period according to their chemical and physical propertiesPeriod 7 horizontal lineGroup 18 vertical line.... The arrangement of elements according to the order of increasing atomic numbers... A table according to which properties of an element are the period function of their atomic masses... |
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| 44484. |
Mention three limitations of doberiner trains ? |
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Answer» 1.Traits applecable up to few element2.position of hydrogen not define3.no position for new discover element Nikita u r telling about mendeleev\'s classification.. He could discover only 3 such triads...is the only drawback given in ncert....but still if you want more then you can add that only 30 elements where present at that time.... All known elements could not be classified into traids... He could identify only three traids... 1.position of hydrogen cannot be explained2.wrong place of order of cobalt,nickle3.could not explain the position of isotopes |
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| 44485. |
What are the properties of a bar magnet? |
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Answer» In the bar magnet magnetic field lines emerges from north pole and ends at south pole. In 2 bar magnets like poles repel each othrr and unlike poles attract each other. Never intersects, magnetic field arises from North Pole to South Pole, curved, more strength near pole erc When freely suspended it alligns in north south irection Bar magnet ya magnetic field lines..?? Magnetic field is strongest at poles It has 2 poles north pole and south pole |
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| 44486. |
20 Examples of alcohol iupac nomenclature |
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| 44487. |
What are functions of armature , carbon brushes , slip rings and , split rings?? |
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| 44488. |
Why do we need balanced chemical equations |
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Answer» To satisfy law of conservation of mass.. That is mass can neither be destroyed nor be created or the mass of reactants is equal to the mass of products... Bcoz of the law of conservation of mass... |
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| 44489. |
What is catabolism and anabolism. |
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| 44490. |
We do not clean pond and lakes but clean aquarium ? Why suggest |
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Answer» Because Aquarium does not have any decomposers like bacteria and fungi which convert the complex substances into the simpler substances that\'s why we clean aquarium Bcoz ponds r the natural ecosystem which can be cleaned by the cleansing agent present in nature but aquarium r the artificial ecosystems.. Because in ponds and lakes there are the decomposers to decompose the waste of lakes and ponds but due to absence of these decomposers in aquarium we clean it. Bcoz in natural habitat microorganisms are there to decompose the dead and waste material... |
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| 44491. |
Explain why we see the sign ambulance in front of the some vehicles |
| Answer» Shayad tum puchna chahte ho ki why we see the inverted name of ambulance.. | |
| 44492. |
How is ethanol obtained for commercial purpose?? |
| Answer» Ethanol, C2H5OH , (also called Ethyl Alcohol) is an aliphatic alcohol. Except for alcoholic beverages, nearly all the ethanol used industrially is a mixture of 95% ethanol and 5% water, which is known simply as 95% alcohol. Although pure ethyl alcohol (known as absolute alcohol) is available, it is much more expensive and is used only when definitely required.Preparation: Ethanol is prepared as 95% alcohol (i.e. a 95% solution of ethanol in water) by distillation of the solution which results from the fermentation of sugars.Manufacture: There are two major industrial pathways to ethanol. Ethanol which is intended for industrial use is made by the first method, while ethanol intended for food use tends to be made by the second method. | |
| 44493. |
Why clouds look white?... |
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Answer» As cloud contains many minute particles of water so light refracts from each of them several times thus clouds appear white......kya mai sahi bol rha hu???? I don\'t know |
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| 44494. |
What is the colour of hcl in methly orange |
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Answer» Only red Yup reddish colour..... Reddish orange... |
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| 44495. |
What do you understand by biomass ? |
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Answer» Biomass is defined as the total mass of all living organism in an ecosystem. The dead parts of plants, trees and the waste materials of animals and human beings is known as bio-mass...... the material contained in the body of plants and animals |
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| 44496. |
What is std and give the example of std which cause by bacteria infection and viral infection .... |
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Answer» Std is sexually transmitted diseases spread by sexual contact with infected person these are caused by bacteria viruses and protozoans Sexually transmitted disease , e.g. aids, syphills,gonorrhoea Subsciber trunk dialing |
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| 44497. |
Complete the flowchart representing the path of sperm |
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| 44498. |
Why should we always use A water bath while boiling the leaf in an alcohol solution... |
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Answer» alcohol is flammable.. To limit the heat supply bcoz alcohol is corrosive in nature... Pata ni |
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| 44499. |
3 advantage and disad. Of contruting dams |
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Answer» Advantages-With the help of them we can irrigate our fields -helps to grow the economy of a country --checking of floods Disadvantages -leads to deforestation -environmental pollution -prevent from the Migration of fishes which leads to decreasing the number of fish in the river Adv: control floods, generate hydroelectricity,renewable sourcesDisadv:displace people, high set up costs, cannot be construed everywhere... Social dis Economic dis Environmental dis |
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| 44500. |
What are the disadvantages of constructing dams |
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Answer» Social dis Economic dis Environmental dis Money people become homeless who have no legal paper of their home |
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