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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.
| 6751. |
State the theory of evolution |
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Answer» Let not led The theory of evolution states that due to change in natural environment, natural selections and other factors, there comes a change in the existing organism for the survival of species and let to the evloution of a new species. |
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| 6752. |
What is sigma and pi bond |
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Answer» But not in detail inour course but if want 8 can tell you i had studied in detail Yesy In atomic structures |
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| 6753. |
Name a non metal which is lusturs and a non metal which is non lustrous |
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Answer» It is your real name Noo who said this Bhai mera test le rahe ho Ya right It is lustrous It is lusturs or not. Iodine - non-metal |
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| 6754. |
Name a carbon compound which burns with a sooty flame. |
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Answer» Noo Alkane Nooo I have confusion OK then methane I think you are wrong.. Don\'t mind Methene( but in air) |
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| 6755. |
Name a compound containing both ionic and covelent bonds |
| Answer» Calcium carbonate | |
| 6756. |
Name a molecule in which central atom is linked to three other atom |
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Answer» OK thanks all You are right guys because in diamond carbon is linked to 4 carbon atoms. graphite Kya Amonia ho skta hai? Graphite Diamond |
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| 6757. |
Name a compound containing both ionic and covelent bonds? |
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Answer» Perhaps sugar or glucose Aap ko idea kiska hai! No idea |
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| 6758. |
Name A organic compound soluble in water |
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Answer» Acetic acid Ethanol Ethanol |
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| 6759. |
Name a carbon compound which burns with a sooty flame? |
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Answer» Because of the high carbon-hydrogen ratio Mainly unsaturated hydrocarbons burns with sooty flame ex ethyne |
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| 6760. |
The shining surface of some metals became dull when opened to air why? |
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Answer» Oxide layer is formed on metal surface To form metal oxide ...but all metals don\'t show this like as gold , silver Bcz metals react with oxygen of air Due to corrosion |
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| 6761. |
Why atomic no.of CO2 is 4 |
| Answer» No idea.. | |
| 6762. |
To make ammonia, the mixture of N2 and H2 gases is passed over heatediron, why? |
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Answer» Iron just works like a catalyst N2 + 3 H2 → 2 NH3 |
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| 6763. |
Why hydrogen consider cleaner fuel than CNG ? |
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Answer» hydrogen gas is cleaner fuel than CNG as CNG contains hydrocarbons. Which contain carbon and it is a form of pollutant present in CNG. But hydrogen is waste-free. The fusion of hydrogen does not produce any waste. Therefore hydrogen is cleaner than CNG. Because |
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| 6764. |
I have a problem in evolution part...what am i supposed to do? |
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Answer» U can study biology from BYJU\'S app it is good for biology and u will able to understand more easily Read it once again from Ncert. And prefer some videos Study ....or nothing |
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| 6765. |
What is the formula of phenol |
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Answer» C6* C6h5oh C5H5OH |
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| 6766. |
Difference between aquired and inherited traits |
| Answer» Inherited trait comes from birth from parents but aquired traits are culture adopted by us | |
| 6767. |
What is use of nutral wire? |
| Answer» | |
| 6768. |
Bruno Cebu Brno |
| Answer» | |
| 6769. |
What are outside rowmeteral used for by an organism |
| Answer» | |
| 6770. |
Difference between estrification and sponification |
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Answer» ESTERIFICATION- (1)The reaction of carboxylic acid with an alcohol in the presence of conc. H²SO⁴ to form a fruity smell in compound is called esterification. (2)CH³COOH + C²H5OH--------H²SO⁴-------> CH³COOHC²H5 + H²OSAPONIFICATION-(1)The reaction of an ester with an acid or base like NaOH to give back the alcohol and carboxylic acid from which it has been formed is called saponification. (2) - CH³COOC²H5 -------NaOH------->CH³COONa + C²H5OH - CH³COONa ------acid hydrolisis----->CH³COOH The process of making soapby the hydrolysis of fats and oils with alkalies is called saponification When ethanoic acid react with ethanol is called estrification When an alcohol is reacted with an acid in the presenceof few drops of concentrated sulohuric acid...an ester is formed which has a sweet smell.....this reaction is called esterfication Alkaline hydrolysis of ester is caed saponificationIn esterification ester is formed whereas in saponification there is a alakaline hydrolysis of ester |
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| 6771. |
What is the colour of potassium permanganate |
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Answer» HooooIt\'s purple randhir Black Grey |
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| 6772. |
How does ozone layer formed |
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Answer» Ozone is formed naturally by chemical reactions involving solar ultraviolet radiations and oxygen molecules which make up 21% of the atmosphere Ozone layer is formed by CFCs carbon monoxide ? |
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| 6773. |
What are mollases in chemistry ethanol formation |
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Answer» This mollaaes is used to make alcohol or ethanol or ethyl alcohol Mollases are present in sugercane |
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| 6774. |
Hoe many isomers can be formed of the comnpound C10H22 |
| Answer» | |
| 6775. |
What is mean by scum??? |
| Answer» It is an insoluble sticky substance | |
| 6776. |
Neutrilasation reaction |
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Answer» The reaction in which acid and base react with each other to form salt and water Neutralization reaction is a chemical reaction in which an acid and a base react quantitatively with each other |
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| 6777. |
Formula of sucrose |
| Answer» C12H22O11 | |
| 6778. |
Formula of. Oil |
| Answer» | |
| 6779. |
What is direct current in detail |
| Answer» It is the un directional movement or flow of electrons it is used in dry cells, batteries extra | |
| 6780. |
What is alternating current in detail |
| Answer» It is an electric current which periodically reverses the direction it can be transmitted over long distances without much loss of electrical energy | |
| 6781. |
How we confirm the presence of carbon dioxide gas in the expirement |
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Answer» The most common way is to use lime water because only CO2 can turn limewater milky or use anburning matchstick if the reaction is not an inflammable one. formation of bubbles during reactions |
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| 6782. |
what is a stomach sphincter |
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Answer» Or a flap like muscular structure which prevent food from going back in mouth via oesophagus An opening from stomach to small intestine |
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| 6783. |
Chemical reaction and equations |
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Answer» Chemical.equation:-Representation.of.a.chemical.reacton.with.the.help.of.formulas.and.symbols Chemical.Reaction:-..A.chemical.reation.is.a.process.in.which.new.substances.with.new.propertes.are.formed |
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| 6784. |
What is the focal length of a plane mirror |
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Answer» Infinite not measurable not.defined.(infinity)am.i.right Distance between principal focus and pole of mirr Acording to its size |
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| 6785. |
Which is heated oxalic acid or mohar\'s salt |
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| 6786. |
Formula of butane |
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Answer» C4H10 C4H10 C4H10 C4H10 |
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| 6787. |
Dna copies generated will be similar,but may not be identical to the original. Explain |
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| 6788. |
What is the formula of plaster of parish |
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Answer» CaSo4.1/2H2O CaSO4.1/2H2O CaSo4. 2H2O OrCaSo4 1/2 H2O Sorry .caso4.half h2o Cuso42H2O Caso4.2h2o |
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| 6789. |
Give reason....pancreas is categorized as heterocrine gland |
| Answer» Because it has a duct for digestive enzymes and is a gland which also secretes hormones directly into blood.Thus because of having features of both endocrine and exocrine gland pancreas is called a heterocrine gland. | |
| 6790. |
What is a spectrum? |
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Answer» Band of seven colours vibgyor is spectrum Group of VIBGYOR is known as spectrum The band of the VIBGYOR is also called spectrum |
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| 6791. |
Hello ajay |
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Answer» Puggi1 Tell me ur id 2darkrider2 Ya R u using it ?? Ya ajay I\'m using brainly Hi |
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| 6792. |
Satyam humare school mein paper le liya jaata hai |
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| 6793. |
An organism which shows multiple fission |
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Answer» Plassmodium and sporozoans Plasmodium Plasmodium |
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| 6794. |
explain the terms implantation placenta |
| Answer» Implacenta-the process of after fertilization the attachment of the ovum to the endometrium. Placenta is the connection between mother and embryo. Placenta play the role of respiration, nourishment and excretion of the embryo. | |
| 6795. |
What do we mean by resistance? |
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Answer» Characteristics of a metal to oppose the flow of current in a conductor... The property of conductor due to which it opposes the flow of current through it is called resistance. Its S.I. unit is ohm. The physical quantity which opposes the flow of current is known as resistance Rresistane is the blocking of current passage Resistance is the opposition force applied by the atom or ion in the flow of electron Opposing force in a ckt |
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| 6796. |
Hii guyss.... whatss upp..?? |
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| 6797. |
Define resistivity of a wire and its SI unit |
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Answer» It is the resistance offered by a unit length and unit cross sectional area. ....SI unit is ohm meter SI unit is ohm m The constant term which is present in every conductor & is fixed |
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| 6798. |
What is the focal length of a plane mirror show with diagram? |
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| 6799. |
Why is vegetative propagation the most viable method to conserve the character of a plant |
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| 6800. |
What is the formula of alcohol ? |
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Answer» C2H5OH or it can be writtenn as CH3-CH2-OH C2H5OH C2h5oh |
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