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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.
| 42701. |
What is CPCH4 |
| Answer» | |
| 42702. |
What are miccles? |
| Answer» When soap dissolved in water then miccles form . structure is given in ncert book | |
| 42703. |
How is the *** determined in human being ? Explain |
| Answer» *** determined in human being when the male chromosome XY fuses with female chromosome XX during fertilisation.If we get XX chromosomes then the child will be a girl child and if we determined XY then it will be a boy child. | |
| 42704. |
Why glucose n alcohol do not conduct electricity |
| Answer» they don\'t break down into ions as their is sharing bond between these carbon compound | |
| 42705. |
Why fire flies glow at night?? |
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Answer» They glow everytime . bcz they have special kind if cell which glows when it inhales and above that glowing cell there r wings which covers it . during day in the presence of sunlight it\'s light gets faded but during night it appers to glow but not constantly . light will be seen when wings will spread . Due to the presence of phosphorous |
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| 42706. |
Largest vein in human body |
| Answer» Venae cava | |
| 42707. |
Which all diagram is important |
| Answer» | |
| 42708. |
Name the most important part of human brain |
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Answer» Cerebellum Fore brain |
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| 42709. |
What is gangu |
| Answer» Impurities in mineral | |
| 42710. |
How is organisms reproduce |
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Answer» The reproduction of new organisms from the existing organisms of the same species is known as reproduction . Reproduction is essential for the survival of a species on a earth By interbreeding and fusion |
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| 42711. |
Cool but at school.. Aapka name kya h dear |
| Answer» | |
| 42712. |
What is life procesa |
| Answer» Process needed to survive | |
| 42713. |
Ammu |
| Answer» | |
| 42714. |
Define sponification |
| Answer» Esters react in presence of acid/base to give back alcohol and carboxylic acid .this reaction is called saponification | |
| 42715. |
Kudi designer paundi aa. Kudi designer paundi aa. Sir to leke shoes tkk??? |
| Answer» | |
| 42716. |
What Are Acids And Bases |
|
Answer» According to bronsted lowry concept :- acid r those which donates H+ ions and base are thise which recieves H+ ions Acid :- compound which releasesH+/H3O+ ions in it\'s aq solution !! Base :- compound which releases OH- ions in it\'s aq solution |
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| 42717. |
differentiate between addition reaction and substitution reaction |
| Answer» | |
| 42718. |
Why DNA does not get doubled during fertilisation |
| Answer» As meiosis occur in the process so DNA gets halved and in fertilization half and half mixes to form single | |
| 42719. |
Who we detect the colour of any element when they react |
| Answer» | |
| 42720. |
Chalo friends phone charge milti ho bye bye☺️☺️☺️☺️☺️☺️☺️☺️ |
| Answer» | |
| 42721. |
Chemical properties of eathanol |
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Answer» 1.When we heat ethanol in presence of oxygen it form CO2 and water2.when ethanol is treated with alkaline potassium permanganate solution then it gets oxidised into ethanoic acid 3. When ethanol reacts with sodium metal then sodium can displace hydrogen from ethanol Ncert mein hai It is neutral |
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| 42722. |
Samrudhi...? Kha gye ? |
| Answer» | |
| 42723. |
Aqsha.. Chat here dear |
| Answer» | |
| 42724. |
Koi friend hai yaha????????? |
| Answer» | |
| 42725. |
RIMSHA ko bhi koi bulado plzzz |
| Answer» | |
| 42726. |
why love is not good |
| Answer» | |
| 42727. |
Naoh + so2= ???? |
| Answer» Nahso3+h2o | |
| 42728. |
What are Nobel Gases? |
| Answer» Gases which don\'t react with anyone and is stable | |
| 42729. |
Where r you samrudhi |
| Answer» | |
| 42730. |
What is the power house of the body |
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Answer» Mitochondria is the powerhouse of the cell but not the body Liver is the powerhouse of the body Brain |
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| 42731. |
Why hydrogen don\'t have any stable position in periodic table??? |
| Answer» So easy ?? | |
| 42732. |
What about datesheet? |
| Answer» | |
| 42733. |
Koi karega bat |
| Answer» | |
| 42734. |
Samruddhi... |
| Answer» | |
| 42735. |
Why hydrogen peroxide is kept in bottles |
|
Answer» Photodecomposition Because it get photosecomposition and get changed to water |
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| 42736. |
Why is excessive use of CFCs a cause of concern? |
|
Answer» It causes ozone layer depletion. Moreover due to damage of ozone we become prone to ultraviolet rays causing many harmful diseases. It affects the ozone layer. A hole over Antarctica is also found bcz of CFCs |
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| 42737. |
Why arteries have thick walls?Why plant have low energy needs?Why blood goes only one time in fish? |
| Answer» Because ,blood is collected directly from heart which have great pressure | |
| 42738. |
In which chapter cinnabar were used name them of chapter |
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Answer» Metals and non-metals I.e., ch 3 of chemistry. Cinnabar is the mercury\'s ore |
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| 42739. |
Give the name of a aldehyde with 4 carbon molecules. |
| Answer» Butanal | |
| 42740. |
What is cinnabar ?How is metal extracted from cinnabar |
| Answer» | |
| 42741. |
What will be the heat produced if charge is 9600 time 1 hr and voltage is 50 volts |
| Answer» | |
| 42742. |
What is C14? |
| Answer» Isotope of carbon | |
| 42743. |
Hiii everyone |
| Answer» | |
| 42744. |
Why coil of a roster made of alloy |
| Answer» Because alloy do not oxidize at high temperature | |
| 42745. |
Byeee frnds see u all after 6 days having pre board |
| Answer» | |
| 42746. |
What is mean by light |
| Answer» | |
| 42747. |
Why noble gas have 0 valency |
| Answer» Because their outermost shell is complete | |
| 42748. |
Why mendeeleev periodic table we not read ? |
| Answer» | |
| 42749. |
Properties of eka aluminium |
| Answer» | |
| 42750. |
Can a element have valency ,0 if yes than how |
| Answer» Yes,noble gases have 0 valency. | |