Explore topic-wise InterviewSolutions in .

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.

4551.

घूनन और पन संक्रमणो के लिए वरण नियम​

Answer»

Air is the commonest masity, and more volume. As the bell continues to vibrate, the REGIONS Of COMPRESSION in the air alternate with the regions of rarefaction. These regions alternate at the same place. The energy of vibrating bell travels outward. This energy which reaches the ears, MAKES the eardrums to vibrate and thus we hear sound.Explanation:

4552.

Fill in the blanks(c) Mist is a _droplets of water and air.​

Answer»

the CORRECT answer.hope it HELPS

4553.

What are solutions? Give examples.

Answer»

istry, a solution is a special type of homogeneous mixture composed of TWO or more SUBSTANCES. In such a mixture, a solute is a substance dissolved in ANOTHER substance, known as a solvent. ... The TERM "aqueous solution" is used when one of the solvents is water.Explanation:hope it helps you ❣️

4554.

Explain the type of combotion explain​

Answer» COMBUSTION is the act of burning, in which fuel, HEAT and oxygen release ENERGY. There are several TYPES of combustion, such as internal combustion, diesel combustion, low TEMPERATURE combustion and other novel forms.
4555.

3. Non-metals do not react with acids and bases at normal temperature conditions. (True/False)

Answer»

this STATEMENT is ABSOLUTELY RIGHT MEANS TRUE

4556.

Name any two foaming cosmetics and what does it contains​

Answer»

The most common FOAMING agents USED in personal CARE are chemicals SODIUM laureth sulfate (SLES), sodium lauryl sulfate (sometimes referred to as sodium dodecyl sulfate or SLS) and coco-glucoside.

4557.

………….. is added to atmosphere by denitrifying bacteria in soil .​

Answer»

Explanation:Denitrifying bacteria, microorganisms whose action results in the CONVERSION of NITRATES in soil to FREE atmospheric nitrogen, thus depleting soil FERTILITY and reducing agricultural productivity.

4558.

……………. is removed from the atmosphere by nitrogen fixation in air during lightning and rain .​

Answer»

Nitrogen______________

4559.

…………. gas is used in packaging of food .​

Answer» NITROGEN N2 is the GAS USED
4560.

The collective name of all particles foundwithin the nucleus is nuclear particles.​

Answer»

The nucleus of an atom consists of neutrons and protons, which in TURN are the manifestation of more elementary particles, called QUARKS, that are held in association by the NUCLEAR strong force in certain stable combinations of hadrons, called BARYONS

4561.

240 cm cube of a gas is taken at 32.7 K. The temperature is then raised to 0 degree Celsius. What is the new volume of the gas raised to 54 degree celsius?The pressure is kept constant.

Answer»

bhaya PLEASE MUJHE BRAINLIEST BANA do me APKO brainliestbana dogabhaya please mujhe brainliest bana do me apko brainliestbana dogaExplanation:

4562.

When the liquid carbon dioxide inside the fire extinguisher expands into a gas , the …………….. pushes out any oxygen surrounding the fire .​

Answer»

Carbon DioxideExplanation:Carbon DIOXIDE extinguishers work because carbon dioxide molecules are heavier than OXYGEN molecules. When the liquid carbon dioxide INSIDE the extinguisher EXPANDS into a gas, the carbon dioxide pushes out any oxygen surrounding the fire.

4563.

Please answer very important​

Answer» TION:matterit is your ANSWERPLEASE MARK me as BRAINLIST
4564.

21. Assertion (A): Fe2+ salt is boiled withConc. HNO, or H,0, prior toprecipitation during gravimetricanalysis.Reason (R): Fe2+ ions precipitatespartially by NH,OH in presence ofammonium salt.(A)(A) and (R) both are correct.and R is the correct explanationof(A).(B)(A) and (R) both are correct,but (R) is not the correctexplanation of (A).(C)(A) is true but (R) is false(D)(A) and (R) both are false​

Answer»

what is this???????????

4565.

During combustion, all fuels produce ………….. and ………… .​

Answer» HEAT and lightExplanation:MARK Me BRANLIEST PLEASE
4566.

Non metals reacts with oxygen and forms dioxides which turns *​

Answer»

Non-metals react with oxygen to FORM non-metal oxides. Non-metal oxides are acidic in nature. They TURN blue litmus to RED. ... If an element FORMS a BASIC oxide,then the element will be a metal.Explanation:please mark me as brainlist

4567.

If I have a pencil answer​

Answer» OPTION d) is the correct ANSWER. Explanation:because PENCIL and CUP are solids.juice is a liquid.
4568.

What is the difference between reversible and irreversible changes? ​

Answer»

,::}}⬇️Reversible and irreversible changes: »»Reversible changes: The changes which can be brought BACK to its original FORM are known as reversible changes. ... »»Irreversible changes: The changes in which the MATTER cannot be brought back to its original STATE are known as irreversible changes.hope it's HELP you ✌️✌️

4569.

ಈ, ಈ ಪದಗಳನ್ನು ಬಿಡಿಸಿ ಬರೆದು ಸಂಧಿ ಹೆಸರಿಸಿರಿ.೧. ಮಹರ್ಷಿ​

Answer»

Write these WORDS out and NAME the treaty.. MAHARSHI is the day when we do a worship

4570.

How ti fix iron blade in tools which are used to dig the soil is fixed to a wooden handle?​

Answer»

bhaya PLEASE mujhe brainliest BANA do me apko brainliest bana DOGA bhaya please mujhe brainliest bana do me apko brainliestbana dogabhaya please mujhe brainliest bana do me apko brainliestbana dogabhaya please m ujhe brainliest bana do me apko BRAINLIES tbana dogaExplanation:

4571.

Hello dude and duder...please follow and ans. Q. what is electronic metal??​

Answer»

Electronicore (also KNOWN as synthcore or trancecore) is a fusion genre of metalcore with elements of various electronic MUSIC genres, often INCLUDING trance, ELECTRONICA, and dubstep.Hope it helps you

4572.

What is the valency of copper in CuCl2​

Answer»

Being a transition metal, COPPER exhibits variable valencies of 1 and 2. Copper forms two TYPES of CHLORIDES - cuprous CHLORIDE, Cu2Cl2, and cupric chloride, CuCl2. In the Cu2Cl2, the metal and chlorine atoms are 1:1 ratio and in CuCl2 the atomic ratio is 1:2. Therefore, the valencies of copper are 1 and 2.

4573.

Give me answerDon't spam ​

Answer»

1-option c2-option a3-option AEXPLANATION:PLEASE MARK BRAINLIEST

4574.

16. Write chemical equation for the following reactions. 1) reaction of hydrogen with tungsten (VI) oxide NOx on heating.ii) hydrogen gas and chlorine gas.17. Give the uses of heavy water.an into ortho hydrogen ?​

Answer» HEY MATE !! 1) WO3 + H2. WO2 + H2OTungsten(VI) oxide react with hydrogen to PRODUCE tungsten(IV) oxide and water. This reaction TAKES place at a temperature of 570-600°C. 2) Uses : The heavy water produced is used as a moderator of neutrons in nuclear power plants. In the laboratory heavy water is employed as an isotopic tracer in studies of chemical and biochemical processes.Explanation:Hope it helps
4575.

Change of a liquid to a gas  boiling sublimation fusion condensation ​

Answer»

At a certain TEMPERATURE, the particles in a LIQUID have enough energy to become a gas. The process of a liquid BECOMING a gas is CALLED BOILING (or vapourization), while the process of a gas becoming a liquid is called condensation.

4576.

A __________ change is a change in which no new substance is formed.​

Answer» CAL CHANGE is a change in which no NEW SUBSTANCE is FORMED .
4577.

As our population increases, we need more water for drinking, washing and other purposes. Does this affect the water table? Explain.

Answer»

YesExplanation:yes. This does AFFECT the WATER cycle of the future. EXPLANATION: More the population, more is the PRESSURE of consuming FRESHWATER.

4578.

(☞ who builted the fort William??​

Answer» TION:NEW ID madepehchana KYA MUJHE??
4579.

What type of reactiona] 2Ca+O2–> 2 CaO​

Answer» COMBINATION ReactionAs a single product is FORMED from TWO reactants.
4580.

Change of a solid to a gas ​

Answer»

tion:Substances can change phase—often because of a temperature change. At low temperatures, most substances are solid; as the temperature increases, they become liquid; at higher temperatures still, they become gaseous.The process of a solid becoming a liquid is called melting. (an older term that you may see sometimes is fusion). The opposite process, a liquid becoming a solid, is called solidification. For any pure substance, the temperature at which melting occurs—known as the melting point—is a characteristic of that substance. It requires energy for a solid to MELT into a liquid. Every pure substance has a certain AMOUNT of energy it needs to change from a solid to a liquid. This amount is called the enthalpy of fusion (or heat of fusion) of the substance, represented as ΔHfus. Some ΔHfus values are listed in Table 10.2 “Enthalpies of Fusion for Various Substances”; it is assumed that these values are for the melting point of the substance. Note that the unit of ΔHfus is kilojoules per mole, so we need to know the quantity of material to know how MUCH energy is involved. The ΔHfus is always tabulated as a positive number. However, it can be USED for both the melting and the solidification processes as LONG as you keep in mind that melting is always endothermic (so ΔH will be positive), while solidification is always exothermic (so ΔH will be negative).Table 10.2 Enthalpies of Fusion for Various SubstancesSubstance (Melting Point) ΔHfus (kJ/mol)Water (0°C) 6.01Aluminum (660°C) 10.7Benzene (5.5°C) 9.95Ethanol (−114.3°C) 5.02Mercury (−38.8°C) 2.29hope you get your answer

4581.

Match the following: [5] Column A Column B i) Fire extinguishers a) Nitrates ii) Bleaching powder b) Potassium manganate iii Removing grease stains from clothes c) Aluminium hydroxide iv) Agriculture d) Calcium hydroxide v) Disinfectant e) Ammonium hydroxide

Answer»

hdsjhfdrun jgatkje. SK. AHK DGIB dsyjv

4582.

Write balanced molecular equation a. Direct combination reaction between two elements - one of which is an active metal.​

Answer»

Na + H2O ---> NaOH + H2Na + CL ---> NaClExplanation:SODIUM is an active metal

4583.

Q1) Complete the following reactions: a) Lithium+ water = b) Potassium + oxygen = c) Caesium + chlorine = d) Sodium + water =

Answer»

tion:a) - 2Li + 2H2O -> 2LiOH + H2.b) - K + O2 -> K2Oc) - CA + CL2 -> Ca2Cld) -2Na+2H2O→2NaOH+H2.HOPE IT WILL HELP YOUPLZ MARK ME AS BRAINLIEST.

4584.

What is bond angle of Trigonal Planer​

Answer»

gonal PLANAR: triangular and in one plane, with BOND angles of 120°. Tetrahedral: four bonds on one central ATOM with bond angles of 109.5°. Trigonal bipyramidal: five atoms around the central atom; three in a plane with bond angles of 120° and two on opposite ends of the MOLECULE.

4585.

' Anu placed a copper spoon in silver nitrate solution'.Answer the following questions on the basis ofabove experiment:i) What will she observe after one hour?ii) Give reason for above observation.iii) Identify the type of reaction taking place inabove experiment.iv) Write the chemical equation for thereaction.v) What would happen if ferrous sulphatesolution is taken in place of silver nitratesolution?​

Answer»

(i) After 1 hour she will observe that a BLUE coloured copper nitrate solution is formed and the the PART of the SPOON immersed in silver nitrate solution, turns silver in colour.(ii) This is because copper is more reactive than silver and hence, DISPLACES it forming Copper nitrate.(III) This is a single displacement reaction.(iv) Cu + AgNO₃ ⇒ CuNO₃ + Ag (v) The reaction will not take place if silver nitrate is taken in place by ferrous sulphate as copper is less reactive than iron.Hope this is helpfull....

4586.

Excreta of earthworms enriches the soil with _____ a- sodium B- potassium C-iron D- nitrogen

Answer» POTASSIUM will be RIGHT
4587.

Write observation : i) lead nitrate is heatedii) Zinc reacts with dilute hydrochloric acid iii) Dilute hydrochloric acid is mixed with sodium hydroxide solution ​

Answer»

i) When lead NITRATE is HEATED, it DECOMPOSES into lead oxide, nitrogen dioxide and oxygen. The balanced chemical equation for this reaction is 2Pb (NO3) 2 (s) produces 2PbO + O2. It is thermal decomposition reaction. HOPE IT HELPS THANKS FOR WATCHING

4588.

A reaction in which one element is substituted for another in a compound is called a(n) reaction.O exothermicO decompositionOsynthesisO displacement​

Answer» DISPLACEMENT REACTION is the ANSWER
4589.

१५- राम की सुग्रीव से पहली मुलाकात कहाँ हुई ? O ऋष्यमूक पर्वत परO बाली के महल परOलंका मेंO अयोध्या में​

Answer»

ऋष्यमूक पर्वत परhope it HELPS PLS MARK me as BRAINLIST

4590.

What is combination reaction?please follw me ​

Answer»

A combination reaction is a reaction where two or more elements or COMPOUNDS combine to form a single COMPOUND. Such reactions are represented by EQUATIONS of the FOLLOWING form: X + Y → XY. The combination of two or more elements to form ONE compound is called combination reaction

4591.

Differentiate :i) acids and base​

Answer» OKAY broExplanation:HOPE it will HELP U
4592.

Plz help to increase percent of thanks​

Answer»

ok i will thank all your answers plz MARK me as brainliest so i can THNK all your ANSWEREXPLANATION:

4593.

रेस्पिरेशन हेल्प इन ​

Answer»

respiration is the movement of oxygen from the outside environment to the cells within TISSUES, and the transport of carbon dioxide in the opposite direction.The PHYSIOLOGICAL definition of respiration differs from the biochemical definition, which refers to a metabolic process by which an organism obtains energy (in the FORM of ATP and NADPH) by oxidizing nutrients and releasing waste products. Although PHYSIOLOGIC respiration is necessary to sustain cellular respiration and thus life in animals, the PROCESSES are distinct: cellular respiration takes place in individual cells of the organism, while physiologic respiration concerns the diffusion and transport of metabolites between the organism and the external environment.

4594.

Respiration help in ​

Answer»

Through BREATHING, inhalation and exhalation, the respiratory SYSTEM facilitates the exchange of gases between the air and the blood and between the blood and the body's cells. The respiratory system ALSO helps us to SMELL and create sound. The following are the FIVE key functions of the respiratory system.

4595.

State the displayer by Hridiyikas mother​

Answer»

Roshan (English: /ˈrɪtɪk ˈrɒʃən/, born 10 January 1974) is an Indian actor who works in Hindi films. He has PORTRAYED a variety of characters and is KNOWN for his dancing skills. One of the highest-paid actors in India, he has won many awards, including six Filmfares, four for BEST Actor and one each for Best Debut and Best Actor (Critics). Starting in 2012, he APPEARED several times in Forbes India's Celebrity 100 based on his INCOME and popularity.hope it helpsplz mark brainliest

4596.

Explain the Plum - pudding model of an atom with a neatlabeled diagram​

Answer»

The PLUM PUDDING MODEL is one of several historical scientific models of the atom. ... The plum pudding model has electrons surrounded by a volume of POSITIVE charge, like negatively-charged "plums" embedded in a positively-charged "pudding"

4597.

Balance the followings reaction: i) lead reacts with copper chloride ii) Ferrous sulphate crystals are heatediii) Electricity is passed throught sodium chloride solution ​

Answer»

ddyjdjddjbddhjsjdoddidzidsuxdbjddibddbdidbdjdubddiudhdidbddjExplanation:HSJSSJDJDISJ DJS dndifjifdifnididdjdjdididififdiduuifffffuyffufyfutyffffyfytetttttyfyy

4598.

The oxidation number of CO is​

Answer»

we may find oxidation number in a way LIKE oxidation no of CO can be calculated asCOOxidation no of known ekement + oxidation no of unknown =0Consider the oxidation of carbon is x thanx +(-2) =0THEN x = 2Therefor oxidation no of CO is 2#hope this HELPS you

4599.

What are the charecterics of a chemical reaction​

Answer» ERAL CHARACTERISTICS of CHEMICAL reactions are:The GENERAL characteristics of chemical reactions are:Evolution of a gas.The general characteristics of chemical reactions are:Evolution of a gas.Formation of a precipitate.The general characteristics of chemical reactions are:Evolution of a gas.Formation of a precipitate.Change in temperature.The general characteristics of chemical reactions are:Evolution of a gas.Formation of a precipitate.Change in temperature.Change in state.
4600.

8. Lord Buddha belong to which VarnaBrahmanO KshatriyaO O O OO VaishyaO Shudra​

Answer» VAISHYA EXPLANATION:PLZ MAK BRAINLIST