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.
| 54051. |
Velocity time graph of uniform circular motion |
| Answer» | |
| 54052. |
Does light always travel in a straight line? |
| Answer» Yes | |
| 54053. |
Explain the process of urin formation in human beings with the help of suitable diagram? |
| Answer» | |
| 54054. |
What are active metals? |
| Answer» A metal is said to be an active metal when it reacts strongly and quickly with other elements due to the electrons in its structure and its ease of sharing the electrons with other elements.In chemistry, the periodic table of elements depicts all of the known elements. The most active metals are the elements on the left side of the periodic table. A metal\'s reactivity increases as we go from the top to the bottom of the periodic table. | |
| 54055. |
What is the chemical formula of respiration? |
|
Answer» C6H12O6 + 6O2 ------ > 6CO2 + 6H2O + heat ^ C6H12O6 + 6O2 = 6CO2 +6H2O + energy |
|
| 54056. |
what is Luis acid ? |
| Answer» Lewis acid is a substance which accept a pair of nonbonding electrons. Ex -hydrogen ion | |
| 54057. |
If litmus paper dip into acid then what happened ? |
|
Answer» If blue litmus paper dip into acid then it change into red and if red litmus paper dip into it then there is no change When Blue litmus paper dip into acid it turns red The colour of litmus paper is change Litmus paper change color � |
|
| 54058. |
How acids react with metals? |
| Answer» When acid reacts with metals it form salt and hydrogen gas Acid + metals ------------> Salt + hydrogen gas | |
| 54059. |
Wht is balnced equations |
|
Answer» Rigt ans. Akansha A balanced equation is an equation which contains balanced reactants and products. |
|
| 54060. |
Define rusting |
|
Answer» Rusting is not a process it is an example of corrosion and corrosion is a type of oxidation reaction Yeda ina ne likhea ae oohi mera answer aeee.okkkkkkk Rusting is the process in which air and iron react with each other to form iron oxide Rusting is defined as eating of iron metal in presence of oxygen and moisture. |
|
| 54061. |
Example of word equations |
|
Answer» Means writing equation in words Magnesium + oxygen =magnesium oxide(MG) + (o2) =MgO Hydrogen + oxygen = water |
|
| 54062. |
I love stars and want to become a astrophysics so how much i have to study ?? |
|
Answer» Thanks ???? Just love your subject and study as much as you could.Even try to cross your potential. Study how much your potential is. More than to become a doctor |
|
| 54063. |
Ex. Of word equations |
| Answer» Hydrogen + oxygen = water | |
| 54064. |
Hlo friends I am a new user I hope that this app is useful... Is it?? |
|
Answer» O yeh Yes it is really useful. Hope so... Yes it is very much useful and important to us So please give me my Questions answer Hlo.. I hope so Yes & hi??? |
|
| 54065. |
What constitute C.N.S and P.N.S. How are components of C.N.S protect? |
| Answer» Brain and spinal cord constitutes the central nervous system (CNS) while peripheral nervous system (PNS) consisting of cranial nervesarising from brain and spinal nerves arising from spinal cord.Function of CNS- This receives the information from all parts of the body and integrate it. Brain sends message to muscles. | |
| 54066. |
What happens to an acid or base in water solution |
| Answer» Alkaline is formed | |
| 54067. |
What he formula of aluminium sulphate |
|
Answer» Yard f Al2(SO4)3 Al2(So4)3 |
|
| 54068. |
Give the example of back Cross Test |
| Answer» In backcross, F1 hybrid is crossed back with any of the parent, either dominant or recessive. Back crosses are used to increase useful traits in a population. For example, certain crop plant hybrids are backcrossed with wild species to obtain its useful traits such as disease resistance. However, this process may dilute the other useful traits of hybrid. In order to overcome this disadvantage, hybrids are backcrossed repeatedly with its parent plants over few generations to receive their good traits back into the new hybrids. | |
| 54069. |
Give eg of olfactory indicaters |
| Answer» Vanilla, onion and clove | |
| 54070. |
Why is life process |
|
Answer» Breaking of cell replace new cell at the place of old cell The\xa0processes\xa0which maintain body functions and are necessary for survival are called\xa0life processes.\xa0 Life process is a self regulated complex system of molecules where chemical reaction going on all the time which leads to reproduction, responsiveness, etc What type of question is this |
|
| 54071. |
What is potential differences |
| Answer» the potential difference between any two points in an elelctric field is defined as the the amount of work done in bringing a unit positive charge from one point to another | |
| 54072. |
Difference between oxidation and combination reaction |
|
Answer» Oxidation involves the addition of oxygen and removal of hydrogen.Reactions in which two or more elements or compounds combines together to form a single compound is known as combination reaction. oxidation is removal of hydrogen and addition of oxygen. combination is a reaction in which two or more than 2 substances combine to form a single ssubtance . eg 2Mg + O2 _gives 2MgO In oxidation oxygen is add and hydrogen is removed and |
|
| 54073. |
Define fermentation and muscular cramps |
| Answer» Lactic acid buildup in the muscles is what causes muscle cramps when the body is exercising strenuously, sometimes muscles can\'t get the oxygen they need. The muscles begin to do anaerobic respiration, because oxygen is not present. | |
| 54074. |
S. I unit of light |
| Answer» Candela | |
| 54075. |
what is means of resistence |
| Answer» Resistance is the property of the conductor to obstruck the flow of current | |
| 54076. |
What is conductoe |
|
Answer» The substance which pass the electricity What is conductor |
|
| 54077. |
Class 10 chemistry chapter 1 easy notes |
| Answer» | |
| 54078. |
What is real and inverted image , what is virtual and errect image? |
| Answer» That type of image which is form due to actual intersection of light rays is called real image | |
| 54079. |
The resistance of a iron is more or less |
|
Answer» More More |
|
| 54080. |
Colour of Zn |
|
Answer» Silver colour Color of zinc is just like silver metal |
|
| 54081. |
Oxidation-reducing |
|
Answer» Addition of oxygen or removal of hydrogen is called oxidationAddition of hydrogen. Or removal of oxygen is called reduction the addition of o2 and removal of h20 the addition of co2 and removal of ho2 The reaction in which addition of O2 and removal of H2O The reaction in which addition of oxygen and removal of hydrogen is known as oxidation |
|
| 54082. |
What is equation of Photosynthesis ? |
|
Answer» C6H12O6+6O2 GIVE RISE TO 6CO2+6H2O+energy 6 molecules of carbon dioxide and 12 molecules of water in the presence of sunlight gives glucose+6 molecules of oxygen+6 molecules of water |
|
| 54083. |
What is ionic equation?? |
| Answer» An equation which shows only the atoms and ions that actually take part is called an ionic equation. Such ions which remain as such and do not take part in the reaction are not indicated.When zinc metal and dilute sulphuric acid are reacted, then zinc sulphate and hydrogen gas are formed. Now sulphuric acid exists as 2H+ ion and SO-24 ions. Similarly, zinc sulphate exists as Zn2+ ions and SO-24 ions. So, the above reaction can be written as:Zn + 2H+ + S02-4 →Zn2+ + SO2-4 + H2 | |
| 54084. |
What happens when sodium reacts with magnesium sulphate? |
| Answer» Sodium displaces magnesium from its salt solution(Magnesium sulphate)....as Na is more reactive than Mg..... ND the equation becomes :::"---Na + Mg SO4= Na SO4 + Mg... | |
| 54085. |
What is a balanced chemical equation of photosynthesis |
|
Answer» Chlorophyll 6CO2 + 6H2O ------> C6H12O6 + 6O2+6H2O Sunlight 6CO2 +6H2O gives C6H12O6 +6O2 |
|
| 54086. |
What are the components of blood? Explain them. |
| Answer» Blood is a connective tissue which plays the role of the carrier for various substances in the body. Blood is composed of plasma, blood cells and platelets.Blood Plasma: Blood plasma is a pale coloured liquid which is mostly composed of water. Blood plasma forms the matrix of blood.Blood Cells: There are two types of blood cells, viz. Red Blood Cells (RBCs) and White Blood Cells (WBCs).Platelets: Platelets are responsible for blood coagulation. Blood coagulation is a defense mechanism which prevents excess loss of blood; in case of an injury. | |
| 54087. |
what is direction of current? |
| Answer» The direction of current is opposite to the flow of negative charges or in respect to the direction of flow of the direction of positive charges. | |
| 54088. |
What is star |
| Answer» A star is a huge celestial body. Stars produce heat and light because they are full of very hot gases. The sun is the nearest star from us. It is at a distance of about 150,000,000 (one hundred fifty million) kilometer from us. The next nearest star from us is Alpha Centauri. This is about 40,000,000,000,000 (forty trillion) km from us. | |
| 54089. |
Hiiiiiiiiiiiiiiiiiiiiii?????? |
|
Answer» Hi Hy |
|
| 54090. |
activity electrolysis of water |
| Answer» Take a glass beaker fix two electrodes. The positive electrode acts as anode &negative electrode act as cathode. Fill 1/3 of beaker with water. Take two test tubes. Insert on electrodes. Observe the level of water in the test tubes. Connect the electrodes to a battery. Pass the electricity for a period of time. Later switch off the current and observe the level of water in test tubes. The level of water in the test tubes is decreased. The free space in the test tubes is filled with H2 and O2 gases. Oxygen gas is evolved at anode and hydrogen gas released at cathode. | |
| 54091. |
Guys , plz tell me what is drift velocity . |
| Answer» | |
| 54092. |
If protons are fixed then how they flow along the direction of electric current? |
|
Answer» Current wl not flw They do not flow they just transfer the current |
|
| 54093. |
What is hydrogenation and dehydrogenation reaction |
| Answer» Hydrogenation is the process of addition of hydrogen. Unsaturated hydrocarbons are added with hydrogen in the presence of palladium and nickel catalysts to give saturated hydrocarbons.Dehydration reactions can be defined as the removal of water molecule from reactant to form unsaturated compounds. For example dehydration of alcohols forms alkene. | |
| 54094. |
Difference between respiration and photosynthesis |
| Answer» Respiration is the process in which human being inhale O2 or release CO2 .Photosynthesis is the process in which plants get their nutrition with the help of sunlight and water.6CO2+12H2O= C6H12O6+6O2 + 6 H2OIn the presence of sunlight and chlorophyll | |
| 54095. |
Why firefly glow at night |
| Answer» Fireflies, also known as lightning bugs, glow to lure prey, discourage predators, and most importantly to attract mates. The characteristic green-yellow glow produced by a firefly is the result of a chemical reaction that takes place in the insect\'s abdomen. This chemical reaction involves three ingredients: luciferin , luciferase , and oxygen . This light is sometimes called “cold light” because it generates so little heat. | |
| 54096. |
Why similar charges repel each other |
| Answer» | |
| 54097. |
How r rays formed nd why? |
| Answer» | |
| 54098. |
How are rays formed nd why???? |
| Answer» | |
| 54099. |
Differentiate between autophic and hatrophic nutrition |
| Answer» Shell in autotrophic nutrition food is made by themselves like in plants Auto means self and Tropic means nutrition so the nutrition in which food is made by their own is called autotrophic nutrition full stop heterotrophic nutrition means the nutrition in which the organism depend on other organism for example human beings. | |
| 54100. |
Differentiate between saprophytic and parastic mode of nutrition |
| Answer» Parasitic mode: In parasitic mode of nutrition, plants depend on other live plants or animals for their nourishment. Such plants are called as parasites and the ones on which parasites depend are called as hosts.\xa0The insectivorous mode of nutrition is observed in plants like pitcher plant and the Venus fly trap. They purely depend on other insects and small animals for their nutrition.Cuscuta is a parasitic plant which develops special roots called haustoria. Haustoria penetrate deep into host plant tissues and just absorb the nutrients from them.Saprophytic mode: The plants which exhibit saprotrophic mode of nutrition are called as saprotrophs. Saprotrophs are the plants that obtain their nutrition from dead and decaying organic matter. Saprotrophs secrete digestive juices onto dead and decaying matter to dissolve it and then absorb nutrients from it. | |