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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.
| 42051. |
All function of brain |
| Answer» | |
| 42052. |
How does reaction when metane react oxygen |
| Answer» Combustion | |
| 42053. |
Why dry HCL don\'t give any ions |
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Answer» So we can chat on watsapp 7004735761 *number Can u give me if numbe Harshit* Yes harsit HCl + H2O ----> ( H3O+)+( Cl-) AYUSH u use Watsapp or not Bcz it doesn\'t break into ions ...it forms ions when reacts with water |
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| 42054. |
What is the common name of ethanol? |
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Answer» Grain alcohol Wine Ethyl alcohol Ethyl alcohal It\'s common name not structural formula C2H5OH |
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| 42055. |
Why the size of atoms decreases when we go left to right in periodic table? |
| Answer» Bcz the size also depends on no of e- ...as e- will increase it will apply greater fprce on the protons asd attract towards itself & so radius will decrease ...& size will also decrease | |
| 42056. |
ore describe |
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Answer» Platinum or gold Naturally occuring substance from which metals can be extracted profitably |
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| 42057. |
koi mera dost banega hi myself deepak |
| Answer» | |
| 42058. |
Human being define |
| Answer» | |
| 42059. |
Why the. Rainbow make an arc |
| Answer» | |
| 42060. |
Natural phenomenon |
| Answer» The phenomenon / event which occurs naturally | |
| 42061. |
What are sexual activity give examples?? |
| Answer» | |
| 42062. |
Highly reactive metals cannot be obtained from yheir oxides by heating them with carbon |
| Answer» Displacement reaction cannot take place.As carbon is less reactive | |
| 42063. |
Electronic induction |
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Answer» Inducing current with the help of moving magnet The change in flux and induced EMF produce |
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| 42064. |
Properties of acetic acid |
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Answer» Acetic acid is present in vinegar ,weak acid, weak oxidising agent Weak acid, sour in taste, vinegar like or pungent smell |
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| 42065. |
What is the unit of inheritance? Please tell me |
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Answer» Thanks Genes Gene |
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| 42066. |
What is covex mirror |
| Answer» Outside reflected surface convex | |
| 42067. |
What is evolution |
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Answer» It is the sequence of slow and gradual changes which take place in primitive organism over millions of years.(formation of new species) Means beginning or change or to produce more Change.. |
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| 42068. |
What will happen if impulses stop receiving by our sense organs? |
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Answer» We will not able to detect anything in our environment and brain is Start becoming weak for more go for chapter control and coordination of class 10 No body movement will Tke place... condition is known as paralysis |
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| 42069. |
Axtraction of metals of th top reactivity series |
| Answer» Electrolysis of molten ore | |
| 42070. |
Difference between light reaction and dark reaction ? |
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Answer» 5 March Computer 6 March Hindi12 English 16 Science22 Social science 28 Mathematics This is a cbse board examination date sheet I ask you on 6 of March chandra sheakar u r duffer When is exams date |
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| 42071. |
What is the reason of yellow color lymph |
| Answer» May be because of the absence of haemoglobin | |
| 42072. |
What is electric motor ? |
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Answer» The device which converts electric energy into mechanical energy is called electric motor That convert electrical energy into mechanical energy |
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| 42073. |
Milk of magnesia |
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Answer» It is used to protect our teeth Chenical formula (MgOH)2 and it is a antacid |
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| 42074. |
Why oxygen exist in double atom |
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Answer» Bcoz it is diatomic molecule Because its valency is 2. Because it formula is H2 soo |
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| 42075. |
Why is melting point of NaCL hogh |
| Answer» | |
| 42076. |
What is the connection between olfactory receptors and gustatory receptors??? |
| Answer» Olfactory receptor detecte the smell .And gustatory receptor detect the taste . | |
| 42077. |
Explain Flemming left hand rule |
| Answer» See in NCERT book | |
| 42078. |
How many chromosome are present in synergies |
| Answer» | |
| 42079. |
Name the largest vein of our body |
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Answer» Vena cava Are you sure Sorry largest venae cavae Saphenous vein |
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| 42080. |
Limitations of Mendeleev periodic table |
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Answer» The position of isotopes could not be explained. Position of hydrogen was not fixed. |
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| 42081. |
Why pure iron is not used in electromagnetic induction? |
| Answer» | |
| 42082. |
State the function of following component of transportation system |
| Answer» | |
| 42083. |
Explain alkyne homologous series |
| Answer» | |
| 42084. |
Watch is comenation reaction |
| Answer» | |
| 42085. |
In the following circuit diagram R1=R2=R3=R4=R5=3ohm |
| Answer» | |
| 42086. |
Tell me how we identify the chains of carbon ? |
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Answer» By single,double,triple bonds Isomers Functional group |
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| 42087. |
How does the tendency to lose electrons change in group and why? |
| Answer» Increases in groups bcz atomic radii increases | |
| 42088. |
What is difference between funtions of pepsin and tripsin. |
| Answer» Pepsin:- it is produced by stomach,it acts in acidic medium.Tripsin:- it is produced by pancreas,it acts in basic medium | |
| 42089. |
Bio me diagram kaun kaun sa important h |
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Answer» All are important Sb important h All diagrams are important |
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| 42090. |
Why do star twinkle? |
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Answer» Due to atmospheric refraction Bcoz of atmospheric refraction |
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| 42091. |
Hy Guys...... |
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Answer» Hlooo Hey ? |
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| 42092. |
Why stars twinkle but planets are not twinkle? |
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Answer» With explanation u can get the answers in notes. Stars are small source of light but planets reflect light in much bigger area It\'s very long answer but u can go through the cbse notes. Due to atmospheric refraction of light |
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| 42093. |
What is hydrogeneration |
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Answer» its generation of electricity by using dam Process of adding hydrogen in an unsaturated hydrocarbon to make it saturated hydrocarbon is called hydrogenation |
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| 42094. |
What\'s acqua regia ? |
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Answer» The mixture of concentrated nitric acid and concentrated hydrochloric acid in the ratio of 1:3HNO3 : HCL 1 : 3 Ratio of 1:3 of nitric and hydrochloric acid. Also a mixture of hcl and nitric acid which is freshly prepared. In the ratio of 3:1 Which is freshly prepared. It also can dissolve gold and platina Royal water |
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| 42095. |
What are connecting links? What significance do they have |
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Answer» And u mean to say fossils Thank you sir The animals having intermediate characters between two groups of animals ,I.e one primitive and other advanced as called as connective links.Examples .Archaeopteryx - connective link between reptiles and birds.Duck billed platypus- b/w reptiles and mammals. |
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| 42096. |
How to prepare for practical and Viva ?? |
| Answer» read lab manual book | |
| 42097. |
What\'s anodising ? |
| Answer» | |
| 42098. |
Corroison |
| Answer» corrosion is phenomena of reaction between metal and moisture present in atmosphere. | |
| 42099. |
What is the work of loop of hanle |
| Answer» it creates counter current to absorb water from urine | |
| 42100. |
Explain 2 safety measure s commonly used in electric circuit? |
| Answer» Electric fuse and mineature circuit breaker | |