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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.
| 39751. |
Coke is 98% carbon . Why it produce less heat than coal |
| Answer» Because of its less energy efficiency | |
| 39752. |
Li |
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Answer» Lithum Lithium |
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| 39753. |
What is the date of examination? |
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Answer» May be 9 march Ya Broo... R u all sure??? May be from 7th of March.The CBSE metting is going on in New Delhi for the examination and for new CBSE sample paprs. May be march |
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| 39754. |
Explain the structure of converter which converts Ac into Dc |
| Answer» | |
| 39755. |
paper kb h |
| Answer» Is it is yet announced?? | |
| 39756. |
What is covalent equation? |
| Answer» The bond form between two atoms by sharing the valence electron between them | |
| 39757. |
Why sun is white in afternoon |
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Answer» This phenomenon is called the dispersion of lightWell this has got to do with atmospshere of earth and the particles present in it ,The light rays that hit the earth at a perpendicular. Dont refract with any particles hence the light appears white. Because in afternoon the sun is overhead and light from the sun travel shorter distance and it appears white because blue and violet are scattered in a little amount |
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| 39758. |
How many chromosomes are present in a Brain Cell |
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Answer» And 46 chromosome present in brain cell 23 chromosome present in human body in both male and female 46 chromosomes are present in brain cell. |
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| 39759. |
How can i get more and more one mark questions and answers fir chemistry? |
| Answer» | |
| 39760. |
Periodic table Learn |
| Answer» | |
| 39761. |
I want the homologous series of alkenes and alkynes with common name and IUPAC name up to dec |
| Answer» | |
| 39762. |
Haha |
| Answer» | |
| 39763. |
What is gametes |
| Answer» It is a mosquito bites the dust has settled down | |
| 39764. |
State the law of triad |
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Answer» In a triad the atomic mass of mile element was average of the atomic mass of other two element. Example =Triad. Atomic massLithium. 7Sodium. 23Potassium. 39Average. Mass of Li +K÷2=46÷2=23...? The law of triads state that the average of the mass of the 1st and 2nd is equal to the mass of 2nd element. |
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| 39765. |
What is the scientific name of frog |
| Answer» Anura | |
| 39766. |
When does mensuration occur? |
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Answer» Afrer 25 days Because if the egg release by ovary does not get fertilized then the thick walls of blood capillaries along with blood are not at useful which are mad to carry the foetus and hence remove d at the time of mensuration |
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| 39767. |
What is aromatic group |
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| 39768. |
Numerical of electricity series and resistance |
| Answer» | |
| 39769. |
What is mean by Ac current |
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Answer» If the current reverses direction after equal intervals of time,it is called alternating current (AC). Alternating current changes direction periodically. The voltage in AC circuits also periodically reverses because the current changes direction. |
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| 39770. |
Ozone layer |
| Answer» Our atmosphere has a ozone covering which protect us from UV rays and is composed of O3 molecules | |
| 39771. |
Ehat is the furmula of alkane |
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Answer» Cn H2n+2 This group of compounds comprises a homologous series with a general molecular formula of C n H 2 n+2 , where equals any integer. Alkyl groups. |
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| 39772. |
80percet papers will come from ncert in board |
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Answer» 95% No |
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| 39773. |
What is kariokynasis |
| Answer» | |
| 39774. |
what are polar elements? |
| Answer» The arrangement or geometry of the atoms in some molecules is such that one end of the molecule has a positive electrical charge and the other side has a negative charge. If this is the case, the molecule is called a polar molecule, meaning that it has electrical poles. Otherwise, it is called a non-polar molecule. | |
| 39775. |
functional group |
| Answer» It may be defined as an atom or a group of atom present in a molecule which largely determines its chemical properties | |
| 39776. |
Explain the role of mouth in the digestion of food |
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Answer» And also it break downs starch into glucose Mouth plays on important role in digestion of food by mixing of saliva in the food by the process of Ingestion |
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| 39777. |
Which is the most reactive element in 3rd period |
| Answer» Sodium | |
| 39778. |
Female reproductive system |
| Answer» Ovary | |
| 39779. |
What is biogas ?Name the major component of biogas. |
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Answer» It is mixture of gases poduced during decay of biomass in absence of oxygen.Its major component are:-1.Methane (75%)2. Carbon dioxide (23%)3. Hydrogen4. Hydrogen sulphide The gas formed due to anaerobic decomposition of biodegradable matter is called biogas it\'s major component is methane |
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| 39780. |
Write two characteristic of good fuel |
| Answer» Easy to store and transport, available at low cost, good calorific value, proper ignition temperature, ? | |
| 39781. |
Darwin theory of evolution |
| Answer» | |
| 39782. |
Give two example for fossil fuel |
| Answer» Coal and petroleum | |
| 39783. |
Why ventricles have thicker wall than auricles? |
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| 39784. |
What is a power lens |
| Answer» | |
| 39785. |
What is the fate of the flower after fertilization |
| Answer» | |
| 39786. |
What is the highest melting point? |
| Answer» The melting point on which metal change its form i.e. solid to liquid | |
| 39787. |
Name of reaction of Ethene with bromine |
| Answer» Substitution reaction | |
| 39788. |
indicate the colour of flame of propene? |
| Answer» Yellow | |
| 39789. |
indicate the colour of flame of propene |
| Answer» | |
| 39790. |
How organisms reproduce |
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Answer» Sexual reproduction and Asexual Reproduction There are 2 methods or process: I.e sexual and asexual Through 2 methods :sexual and asexual |
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| 39791. |
Reaction of ca(oH)2 +so2=) |
| Answer» | |
| 39792. |
Concave lens ka formula |
| Answer» 1/v-1/u=1/f | |
| 39793. |
What happen when ethanoic acid reacts with sodium carbonate |
| Answer» C2H5ONa+co2+H2O | |
| 39794. |
M=-2 what does it mean? |
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Answer» If M= -2,,,,it means image is formed real &inverted ..Also it\'s size is 2times the size of object M means magnification ther are three formula to calculate the magnification (1)m=hi/ho for mirror and lens(2) m=-v/u for mirror(3) m=v/u for lens |
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| 39795. |
Why are acquired traits are not inherited? |
| Answer» Because acquired traits don\'t effect the reproductive cells ,they only affect the non reproductive cells . | |
| 39796. |
Homozygous??? heterozygous ??? |
| Answer» The plant have same gene are homozygous | |
| 39797. |
Variation |
| Answer» Difference of a single trait.there r 2 types of variations-.) somatic variations and genetical variations. | |
| 39798. |
important Numerical of electricity |
| Answer» Every numerical | |
| 39799. |
Who says that concave lens is conversing lens.??????????? |
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| 39800. |
Define mutations |
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