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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.
| 43001. |
Why Lemon is used to remove copper oxide layer ? |
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Answer» Bcz lemon is acid which can react with the oxide layer As we know acid and metal reacts to form salt and h2 so we use lemon |
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| 43002. |
If the angle of incidence is 0 degree, what is the angle of reflection? |
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Answer» i=rr meansIncidence ray is equal to the angle of reflection 0 Angle of incidence = angle of reflection ...So 0= 0 |
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| 43003. |
How to take out group no.and period no. Of an element |
| Answer» No of valence electron = group no No of shells= period | |
| 43004. |
What are the isomers of pentane |
| Answer» Isomers are covalent compounds which have same chemical formula but different structures, butane has two isomers 1. Neo. Butane and 2. Iso. Butane | |
| 43005. |
How many structural isomer can you draw for pentane |
| Answer» 3 | |
| 43006. |
What is tropic level |
| Answer» The levels where transfer of energy takes place through 10 percent law | |
| 43007. |
Name a metal and a nonmetal which are obtained from sea on a large scale? |
| Answer» Na and cl | |
| 43008. |
Why resperation is called exothermic reaction |
| Answer» Because heat and energy is release during respiration | |
| 43009. |
Covalent bond of butene |
| Answer» | |
| 43010. |
What is thermite reaction ??? |
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Answer» Reduction of metal oxide to form metal by usiusig AL powder as a reducing agent Sorry iron oxide and aluminum. A highly exothermic reaction between iron and aluminum oxide to produce molten iron |
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| 43011. |
How was electricity produced |
| Answer» Due to potential difference | |
| 43012. |
The metal which does not react with cold as well as hot water but reacts with steam |
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Answer» Iron is the required metal Cu and fe |
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| 43013. |
Name the metal which does not react with physical state of water |
| Answer» Gold silver platinum | |
| 43014. |
What is scintific name of human |
| Answer» Homosapiens | |
| 43015. |
What are fossil explain different methods by which age of fossil can be determined |
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Answer» Fossils are the preserved traces of living organisms. Radiocarbon dating |
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| 43016. |
Which lense use in hypermetropia |
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Answer» Convex lens convex lens Convex |
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| 43017. |
Write the chemical equation for the decarboxylation of ethanoic acid |
| Answer» | |
| 43018. |
Friends ek question puchu |
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| 43019. |
Explain the process of fertilization in human being |
| Answer» | |
| 43020. |
What is oxidation Hindi me |
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Answer» Oxygen ka judna ya hydrogen ka hatna Oxygen ka judna aur hydrogen ka htna Oxygen ka aadan pradan krna?? |
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| 43021. |
Relation between ignition temperature and calorific value |
| Answer» | |
| 43022. |
Give me dare |
| Answer» | |
| 43023. |
What is rock salt??????give example and explain it . |
| Answer» | |
| 43024. |
Why hydrogen gas is not formed when metal react with nitric acid? |
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Answer» Nitric acid is an oxidizing agent .hence ,it oxidizes itself and form its oxides. It oxidizes hydrogen to water |
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| 43025. |
Cleaning action of soap or detergent? |
| Answer» ncert ni padhi tumne!!!! | |
| 43026. |
name the procees of regenration organism preduce |
| Answer» | |
| 43027. |
Do all events during photosynthesis take place one after the other immediately? Give example. |
| Answer» No. Bcoz sone r light reaction. | |
| 43028. |
What is meant by enterprise |
| Answer» | |
| 43029. |
Calcination and Roasting are different process but they used for same purpose .Why ? |
| Answer» | |
| 43030. |
2nd law of newton |
| Answer» | |
| 43031. |
How time and light and gravity are relative |
| Answer» Its theory of relativity given by albert Einstein ... | |
| 43032. |
If the charge on an electron is 1.6x10 19 then find how many elctron passes through 2a |
| Answer» 1.2*10power -19 | |
| 43033. |
Common salt becomes sticky during rainy season explain |
| Answer» Due to it\'s hygroscopic nature | |
| 43034. |
Any ways where r uh from?..U both |
| Answer» | |
| 43035. |
name the largest artery in the human body? |
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Answer» The largest artery in the human body is aorta. Aorta. |
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| 43036. |
Good mrng..Frndzs any one from.??mbd |
| Answer» | |
| 43037. |
Give homologous series with formulas |
| Answer» | |
| 43038. |
What is HIV? |
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Answer» H - Human. This virus infects human beings.I - Immunodeficiency. This virus attacks a person\'s immune system. The immune system is the body\'s defense against infections, such as bacteria and viruses. Once attacked by HIV, the immune system becomes deficient and doesn\'t work properly.V - Virus. A virus is a type of germ too small to be seen even with a microscope.☺️☺️ Hiv is virus |
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| 43039. |
How does plasmodium repro |
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Answer» Binary fission By fission |
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| 43040. |
Non metallic property of modern periodic table |
| Answer» Non metallic character......in a period...it increase....in a group..it decrease | |
| 43041. |
Give the example of a chemical reaction characterised by the evolution of a gas. |
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Answer» when sodium reacts with HCL NaCl is produced alongwith hydrogen gas reaction of zinc granules with sulphuric acid to form colourless zinc zulphate and evolution of hydrogen gas |
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| 43042. |
Why a substance burn with flame or without a falme? |
| Answer» A substance burn with flame when it consists of gas and liquid in more amount. like a matchstick when we burn it we see that a browny liquid passed out from it, backward to flame but when we burn a high dense substance we see that it burn without flame .because ,it consists of liquid or gas in very low amount . Because of it ,the flame is not come out from it | |
| 43043. |
Resestor |
| Answer» | |
| 43044. |
Fghhu |
| Answer» | |
| 43045. |
12 03 am time ho raha hai good morning eva and akshita |
| Answer» | |
| 43046. |
Eva subh ho gayi??? |
| Answer» | |
| 43047. |
Hii eva your shayar is back good morning and akshita too |
| Answer» | |
| 43048. |
By eva by akshita kal baat krta hu byeerrr??? |
| Answer» | |
| 43049. |
what is meant by gene ? |
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Answer» Bhaii pair The par of dna which carries information from parents to progeny Unit of dna |
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| 43050. |
Kiya koi ldki mghe love k full form btaegi |
| Answer» | |