Saved Bookmarks
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.
| 37801. |
Why is hydrogen has special space in periodic table |
| Answer» Hydrogen is special because it behaves both as electropositive and electronegative ways. Moreover it has special ability to form bonds with both nonmetals and metals. Even Hydrogen is principle element in Hydrocarbons | |
| 37802. |
Balance the equation Al+Fe2o3 =Al203+fe |
| Answer» Al+Fe2O3=Al2O3+2Fe | |
| 37803. |
What is flux |
| Answer» Two types of flux:Electric Flux-the amount of electric field lines in an unit areaMagnetic flux: the amount of magnetic field lines in an unit area | |
| 37804. |
Define the oxidants. |
| Answer» Helps in oxidation | |
| 37805. |
What is the element if its molecular formuale is C2H4O2?Also name its chemical formulae ? |
|
Answer» CH3COOH Ethanoic acid |
|
| 37806. |
Soapnification reaction define |
|
Answer» Getting back of an alchohol from an ester by reacting it with an alkali is known as saponification reaction. CH3COOCH2CH3 +NaOH ------ CH3COONa+ CH3CH2OH |
|
| 37807. |
Explain why , a freely suspended magnet always points in the North-south direction??? |
| Answer» Because earth is a huge magnet with north pole and south pole | |
| 37808. |
Achivement of mendleeve\'\'s |
| Answer» While arranging the elements mendeleev left 3 gap and he predicts 3 element as eka boron eka aluminum and eka silicon. All the three were discovered later they were scandium, gallium and germanium | |
| 37809. |
Mendel contribution |
| Answer» | |
| 37810. |
How blood group is decided in child |
|
Answer» By DNA test By using parents blood group |
|
| 37811. |
What is the difference between variation and evolution? |
| Answer» Variation1 They are differences in combination of traits amongst member of a species.2 They are caused by reshuffling of genes, mutations as well as environment.3 They help in adaptation | |
| 37812. |
Tyndall effect |
|
Answer» Scattering of light in the colloidal solution called tyndall effect Scattering of light when pass through colloidal solution. |
|
| 37813. |
What is oxidixing agent |
|
Answer» Washing soda A substance that tends to bring about oxidation by being reduced and gaining electrons |
|
| 37814. |
Why regeneration is not possible in complex organism like human beings |
| Answer» Regeneration is not possible in complex organisms like human beings because human body is very complex. It doesn\'t contain special cells which can develop a whole new organism or redevelop the part separated. For regeneration in humans every cell would have to divide which is not possible in human beings which contain millions of different cell. | |
| 37815. |
What is a spherical mirror |
| Answer» A spherical mirror is a part of a large spherical transparent glass painted on one side. If it is painted in the inner curved surface then it is convex and if outside then concave | |
| 37816. |
How can you help in reducing the problems of waste disposal? give any two methods |
| Answer» | |
| 37817. |
What is a chemical reaction? |
| Answer» Chemical reactions are the process in which new substance with new properties are formed | |
| 37818. |
C12H22O11 is right formula of sugar |
|
Answer» Ye bilkul shi hai Yah its rt Yes it\'s right. |
|
| 37819. |
What is the isomers of butene |
| Answer» Quora | |
| 37820. |
Importance of ph |
| Answer» Diffenentiation among acid, base and neutral solution. | |
| 37821. |
What do you mean by cheromosones |
| Answer» | |
| 37822. |
What is wood Spirit |
| Answer» | |
| 37823. |
How could the modern periodic table remove various anomalies of mandeleev periodic table |
| Answer» | |
| 37824. |
Define a gene |
| Answer» A gene is a small segment of DNA on a chromosome occupying specific position and is a unit of a biological function | |
| 37825. |
Why carbon generally do not conduct electricity? |
| Answer» | |
| 37826. |
Difference betweenetween monohybrid and dihybrid? |
| Answer» Monohybrid: It is the crossing of only one pure individual Dihybrid: It is the crossing of two pure individuals | |
| 37827. |
sodium metal is added to ethanoic acid |
| Answer» C2H5CONa+H2O | |
| 37828. |
Considering kcl and HCl fully ionised what will be pH of each? |
| Answer» Around 1 | |
| 37829. |
Hormone secreted by pancreas. |
|
Answer» And somatostatin Insulin and Glucagon. |
|
| 37830. |
Carbon and it compound means |
| Answer» Compounds of carbon. Compounds of carbon are defined as chemical substances containing carbon. More compounds of carbon exist than any other chemical element except for hydrogen. Organic carbon compounds are far more numerous than inorganic carbon compounds. | |
| 37831. |
Why we see the sun two minutes before the sunset |
| Answer» Delayed sunset :- An observer on the earth sees the sun two minutes before the sun reaches the horizon. A ray of sunlight entering the earth\'s atmosphere follows a curved path due to atmosphere refraction before reaching the earth. | |
| 37832. |
Carbons related questions |
| Answer» Find in book | |
| 37833. |
Explain occurence of metal? |
| Answer» | |
| 37834. |
Explain physical and chemical method ? |
| Answer» | |
| 37835. |
How to draw a ray diagram |
|
Answer» God had provided you two beautiful hands, so with those beautiful hands you have to draw the ray diagrams. With lens |
|
| 37836. |
Explain the word magnitude? |
|
Answer» Magnitude means amount Mere me nhi h attitude= magnitude |
|
| 37837. |
Why are carboxylic acids weak acid |
| Answer» It doesn\'t completely dissociate in water . May be. | |
| 37838. |
What is pinus |
| Answer» Pin us is a type of fanta | |
| 37839. |
Difference between pepsin and trysin |
|
Answer» Trypsine digest protein and Pepsin also do same work Pepsi peene a padarth h aur croin khan ka |
|
| 37840. |
Galvanised articles are protected against rusting even if zinc coating is removed. Why? |
| Answer» Cuz i dont know ans see in your textbook | |
| 37841. |
How colour of offspring /child be determined |
|
Answer» From their genotypes Boroplus se |
|
| 37842. |
CH3-CH2-CH3-CH=CH-CH2-OH |
|
Answer» 2 - heksin 1- al Hex- 2 -ene- ol |
|
| 37843. |
Ethanol acidic or not |
| Answer» | |
| 37844. |
Ethanol is acidic or not |
| Answer» | |
| 37845. |
What is mean verstile nature of carbon |
| Answer» It means the adopting nature of carbon | |
| 37846. |
Name a liver disease which is caused by alcohol |
| Answer» | |
| 37847. |
Explain the respiratory system in humans |
| Answer» | |
| 37848. |
What is ohm |
| Answer» Si unit of resistance. | |
| 37849. |
What is the formula of pantane |
| Answer» C5H12 | |
| 37850. |
What is the chemical which acts as neurotransmitter between axon end and dendrite of other neuron? |
| Answer» | |