InterviewSolution
Saved Bookmarks
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.
| 64301. |
Give any two uses of common salt |
|
Answer» It helps in proper working of nervous system Used as table or iodised salt It use in the manufacture saop and melt ice in foodin making chemicals As a Preservative of flesh and to enhance the flavour of food |
|
| 64302. |
Which black and white salt is used in pohotogtaphy? |
|
Answer» AgBr and AgCl2 both are right answers AgBr Silver chloride and silver chloride |
|
| 64303. |
How many tap roots |
| Answer» There are two types of tap root:deep feeder and surface feeder.... | |
| 64304. |
What is aqua-rezia?Write its composition.What is its function |
| Answer» Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of 3:1. It can dissolve gold, even though neither of these acids can do so alone. Aqua regia is a highly corrosive, fuming liquid. It is one of the few reagents that is able to dissolve gold and platinum. | |
| 64305. |
Why the highly reactive metals are in combined state in nature explain |
| Answer» Because it has ion to take part fast in chemical reaction | |
| 64306. |
Differentiate between metal and non metal on basis on physical property |
| Answer» 1.metals are good coductor of heat where as non-metals are bad.2.metals have sonorous property where as non-metals have not.3.metals have ductility property where as non-metals have not.4.metals have malleability property where as non-metals have not.5.all metals except mercury exist as soild at room temperture where as non-metals either soild or gases except bromine.6.metals have lustrous where as non-metals have not except Iodine.7.metals have high melting and boiling point where as nin-metals have low. | |
| 64307. |
Name the first mineral acid which prepare in laboratory |
| Answer» | |
| 64308. |
Synapse act as a one way valve explain how? |
| Answer» Hi | |
| 64309. |
What are the events taking place during photosynthesis |
|
Answer» 1. Absorption of sunlight by chlorophyll.2. Splitting of water molcule.3. Release of oxygen. You\'re questioning foolish.............. It is given in ncert |
|
| 64310. |
Expand ATP |
| Answer» Adenosine triphosphate | |
| 64311. |
Toluene |
|
Answer» it is a preservative use to preserve rancidity ?????? |
|
| 64312. |
Expand DDT... |
| Answer» Dichloro Diphenyl trichloroethane | |
| 64313. |
Which is acid or base in the compound NH3Cl, CuSo4,NaCl,M(No3)2,k2So4,Ca(No3)2 |
| Answer» NH3Cl :NH is base or HCl is acidCuSo4:CuOH is base or H2SO4 ACIDNaCl:Na2OH base or HCl acidK2SO4:KOH base or H2SO4 ACID | |
| 64314. |
Does sodium reacts with acid |
|
Answer» Yes and it is a highly exothermic reaction . Yes Yes sodium reacts with acid |
|
| 64315. |
How is herbivorous |
| Answer» Those organism who eat plants only. Ex. Goat | |
| 64316. |
what is the name of hormone which helps in normal functioning of blood sugar level |
|
Answer» Insulin Insulin ? Insulin hormone Insulin.. Insulin insulin |
|
| 64317. |
Explain ohm\'s law in an easy way... |
|
Answer» At the constant temperature v directly propotional to i I=v÷r If physical condition of conductor is constant then current following through it is directly proportional to potential difference applied across its end |
|
| 64318. |
What are germ cells |
| Answer» Germ cell is a tiny part of organism | |
| 64319. |
which hormone is releaseing from pituitary gland???? |
|
Answer» Growth harmone Growth hormone |
|
| 64320. |
Why on heating magnesium ribbon, white light is produced? |
|
Answer» Magnesium react with oxygen on heating. Because magnesium is a metal it reacts with oxygen..... |
|
| 64321. |
Nervous system and endochrine system jointlyy called |
|
Answer» I think central nervous system. . CNS |
|
| 64322. |
Who is the site of mitrocondria and chloroplast......♻ |
|
Answer» Ananya meri frd bno gi Answer hoga mitrocondria ka aerobic respiration or chloroplast ka photosynthesis ?? Wrong ananya mene site pucha h Chloroplast is present in the mesophyll cells of leaves. I dont know |
|
| 64323. |
Please all ch 2 imporant function in biology , that comes many times in exam |
| Answer» | |
| 64324. |
mechanism cleaning action of detergents class 10th |
|
Answer» \tThe molecules of soap are sodium or potassium salts of long chain carboxylic acids.\tA soap molecule has a tadpole-shaped structure.\tAt one end (long non-polar end) of the soap molecule is a hydrocarbon chain insoluble in water but soluble in oil.\tAt the other end (short polar end) of the soap molecule, there is a carboxylate ion, which is hydrophilic, i.e. water soluble but insoluble in oil.\tSoap on mixing with water forms a concentrated solution and causes foaming.\tThe long non-polar end of soap gravitates towards and surrounds the dirt and absorbs the dust in it.\tThe short polar end with the carboxylate ion turns the water away from the dirt.\tA spherical aggregate of soap molecules is formed in the soap solution in water and is called a micelle.\tThe soap molecule thus helps in dissolving the dirt in water and we can wash our clothes clean. Give answer |
|
| 64325. |
No image is formed at blind spot give reason |
|
Answer» It has neither cones cells nor rod cells to sense the colour and intensity of light respectively. Because image is formed only in retina |
|
| 64326. |
Why ammeter is connected in parallel |
|
Answer» Ammeter connected in parallel because ammeter is used to measure current and when current passes through ammeter we finds that what amount of current is flow in the circuit. Your question is wrong ammeter is connected in series. |
|
| 64327. |
Why are acids conductor of electricity |
| Answer» Because they have ions. | |
| 64328. |
By which type of Substances magnet is made up of |
|
Answer» Real magnets are made up of magnesium Substances by which magnet is made up of is commonly iron Iron |
|
| 64329. |
Why no reaction takes place when iron is placed with copper |
|
Answer» Because both are just metals ? |
|
| 64330. |
What is gravitation |
|
Answer» What a name you have selected virus All objects in universe attract each other with some force. That force is called gravitation. |
|
| 64331. |
What is the difference between sodium hydrogen carbonate and sodium carbonate on heating |
|
Answer» What happens when heating HCO3 and NACO3 |
|
| 64332. |
What steps taken to the digestion of protein |
|
Answer» Pepsin is the enzyme that digest proteins Many steps are taken by the disetion of food |
|
| 64333. |
Which course is the best IIT or medical xl |
| Answer» PCB For medical &PCM For IIT | |
| 64334. |
Which acid is strong 1.concentrated acid2.dilute acid |
|
Answer» Concentrated acid is strong Sorry concentrated acid is strong acid is strong |
|
| 64335. |
What is the difference between concentrated acid and a dilute acid |
| Answer» Concentrated acids are the acids in which concentration of water is very less and Dilute acids are the acids in which concentration of water is more | |
| 64336. |
What are the advantages and disadvantages of detergent |
|
Answer» What nxt 1-It is used as cleaning agent for domestic purpose |
|
| 64337. |
What electromagnetic induction |
| Answer» Electromagnetic induction: It is the production of an electromotive force across an electric conductor by magnetic field production | |
| 64338. |
What is elements and its uses |
|
Answer» They are used for making compounds Elements are made up of only one type of atoms or molecules.There are many uses of it ,such as in making jwelleries. |
|
| 64339. |
How yall doing |
| Answer» | |
| 64340. |
Why does carbon form large numbers of compound |
|
Answer» Because it contains 4 electrons in its Valence shell Carbon form a large number of compound because it is small in size.And its outermost elctron strongly held by nuclous Bcoz it has a large number of outermost electrons or valence electrons so it forms large number of compounds |
|
| 64341. |
Name the enzyme present in human saliva? |
|
Answer» The saliva which was present in human was ptyalin Ptyalin Salivary amylase Salivary Amylase Ptyalin |
|
| 64342. |
List any two alternative fuel |
|
Answer» Alternative sources can be all liquid fossil fuels or gases produced with them. Two alternative fuel are natural gas,propane,ethanol fuel |
|
| 64343. |
I want to personal chat .possible ya not in this app. |
| Answer» No | |
| 64344. |
How to remember reaction |
|
Answer» Only learn charges of ions By doing practice |
|
| 64345. |
Why the earth has only one shape circle. |
|
Answer» Earth is in the shape like an orange Because of the natural phenomon of the universe and in it\'s making ,as you can see anywhere in space in the shape of circle. |
|
| 64346. |
Why our sky see always blue? |
|
Answer» Because of the ozone gas\' presence in atmosphere which shows blue colour in day when uv rays of sun passes from it. Because blue scatter much more than any other. |
|
| 64347. |
Is we can count our hair ??Is they are infinite or finite |
|
Answer» nothing is impossible the word itself says `im\'possible If u are asking about girl\'s hair than its not possible bro No,they are infinite . Yes it is possible..............but will take too much of time |
|
| 64348. |
Diamond is bad conductor of electricity while graphite is good conductor of electricity. why? |
|
Answer» Because diamond not have free electrons as comparison to graphite Because diamond not contain charged particles but graphite contain charged particles |
|
| 64349. |
All units of Electricity Chapter |
| Answer» Charge - columbCurrent - ampereP.d - voltResistance- ohmResistivity - ohm-metreEnergy - joules ................................ | |
| 64350. |
Whai is refraction |
|
Answer» when ray of light travelling obliquely from one medium to another to direction of propagation of light in the second medium changes this phenomenon is known as refraction of light The bending back of light from one medium to another The bending of light goes to one medium to another obliquely is called refraction |
|