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.

51001.

All possible iomers of C6H13 I

Answer»

tion:PICTURE number 1 explains the POSSIBLE ISOMERS of c5h11 and the second ONE shows the isomers of c6h13

51002.

What is redox reaction class 10 Spams will be reported

Answer»

A REACTION in which both OXIDATION and REDUCTION happens is CALLED REDOX reaction

51003.

Can you pour apple cider vinegar in the egg in vinegar experiment?​

Answer» PUT your egg into a tall DRINKING glass. POUR vinegar into the glass until the egg is COVERED. Put the glass aside so no one drinks and/or spills it. It will SMELL a bit.
51004.

4. The particle used to strucleus of uranium (a) alpha particle o proton(e) slow moving(d) last moving5. Metals enter the reaction withnon-metals by​

Answer» ALPHA PARTICLE o PROTON
51005.

Give two points of difference between: speed -Acceleration​

Answer» SPEED is a scalar quantity and velocity is a vector. Speed only DETERMINES the magnitude that is how FAST is a body moving WHEREAS velocity determines the direction ALSO that is in which direction the body is moving. Speed is the rate of change of distance whereas velocity is the rate of change of displacement.
51006.

What is decomposition reaction class 10 Spams will be reported

Answer»

a reaction in which a SINGLE substance decomposes into two or more SUBSTANCES is called DECOMPOSITION reaction

51007.

What is double displacement reaction class 10 Spams will be reported

Answer»

A reaction in which two ions EXCHANGE is CALLED double DISPLACEMENT reaction

51008.

Describe one important application of the separation technique of evaporation.​

Answer» TION:Describe one important application of the SEPARATION TECHNIQUE of EVAPORATION.
51009.

In case electrolysis,a solution of sparse H,so is taken and electricity flows through it​

Answer» C GO GET fdfghf for do ggdsdfggg
51010.

कार्बन 12 का परमाणु द्रव्यमान क्या होता है?​

Answer» 12 का परमाणु द्रव्यमान क्या होता है?•.• C¹² के 2 मोल का द्रव्यमान = 12gm•°•4 परमाणु का द्रव्यमान = [ 12/ 6.022× 10²³ ] C¹²एक परमाणु का द्रव्यमान = 1.9923×10-²³gmउत्तर स्मापत्।
51011.

When iron nail dipped into solution, the colour of copper sulphate solution changes into green, due to formation of ______ _______.

Answer»

fe EXPLANATION:fe + CUSO4----> FESO4 + cu

51012.

2H²S + XO² → 2.SO² + 2H²O (value of X) ​

Answer» TION:th2H²S + XO² → 2.SO² + 2H²Oe QUTION) in BANGALY. ENGLISH MINING
51013.

When force is applied to an object its _________ is not affected​

Answer» TION:when FORCE is APPLIED to an object its mass is not affected
51014.

State the two properties of solid, liquid and gaseous states . please give answer fast and I will mark you as brainliest​

Answer»

Solid:1. It has a strong INTERMOLECULAR force of attraction between particles.2. It has definite shape and volume.Liquid:1. It does not have a definite shape but has a fixed volume.2. They generally flow.Gas:1. It can be compressed easily.2. It has the ability to fill their CONTAINER COMPLETELY.

51015.

I.FILL IN THE BLANKS : 4x1=4 1.In solids, the particles are packed with vel little space between them. Y (tightly/loostly) 2.Liquid atoms are packed more (tightly/log 3.The gases atoms are moving (freely, not fire 4.Air is a (compressible/ incompressible)​

Answer»

no BRO not SURE you W booooo

51016.

An atom is the basic unit of an element give reason​

Answer»

The nucleus is in the centre of the ATOM. the electrons are AROUND the nucleus in the electron CLOUDS. If atoms are made of SMALLER parts such as electrons,why are atoms considered the basic unit of matter? It is the smallest unit that has the chemical property's of an element

51017.

Who liquefied he gas for the first time.

Answer» ANSWER:HEIKE Kamerlingh Onnes is the CORRECT answer!!
51018.

. On what basis are the components of a mixture separated? ​

Answer»

ooooooooooooooooookk

51019.

What happens to electronic configuration on moving down the group and across the period?​

Answer»

Covalent radius increases as we move down a group because the N level (orbital size) increases. Covalent radius mostly DECREASES as we move left to right ACROSS a period because the effective nuclear CHARGE experienced by the electrons increases, and the electrons are pulled in tighter to the nucleus.

51020.

ब्यूटाडाइइन की संरचना स्पष्ट कीजिए

Answer»

gshdfjfj fzfxfd FF gdgjgjgx xdkfkfkf

51021.

What is the sum of 24396, 36509 and 4812.​

Answer»

65,717Explanation:HOPE it was USEFUL THANKS

51022.

(a) The decomposition of A into products has a value of K as 4.5x103 s-1 at 10 °C and A of activation 60 kJ mol-1. At what temperature would K be 1.5x104 51. (b) i) If the half-life period of a first-order reaction is x and, 3/4th life period of the same reaction is y, how are x and y related to each other? ii) In some cases it is found that a large number of colliding molecules have energy more than threshold energy, yet the reaction is slow. Why?

Answer»

The DECOMPOSITION of A into PRODUCT has value of k as 4.5 x 103 s-1 at 10°C and ENERGY of activation 60 kJ mol-1. At what temperature would k be 1.5 x 104 s-1? HENCE, k would be 1.5 × 104 s - 1 at 24°C.

51023.

Derive the rate law expression for the reaction: 2P + ------------- > products if the first step is the reversible dimerisation of P, followed by the reaction of P2 with Q in a bimolecular rte controlling step. Assume that the equilibrium concentration of P2 is very small as compared to[P].

Answer»

yfycExplanation:followed by the reaction of P2 with Q in a BIMOLECULAR rte CONTROLLING step. Assume that the EQUILIBRIUM concentration of P2 is very small as compared to[P].

51024.

Match the following Section (element) Part II (Sign) (a) (1)Phosphorus (b) (2) Silver L (c) © (3) Iron (d) S (Lead)​

Answer» PHOSPHORUS = csilver =diron=alead=b
51025.

What is displacement reaction class 10 Spams will be reported

Answer»

A REACTION in which a HIGH reactive METAL displaces a low reactive metal from its compound is CALLED displacement reaction

51026.

If metal is x is combining with y the compound formed is x_2y what's the valence of x? ​

Answer» PLEASE CHECK the below ATTACHMENTS :
51027.

the atomic number of Na and Ca are 11 and 20 respectively what will be the number of electrons in an Na+ and Ca2+​

Answer»

The ATOMIC NUMBER and mass number of sodium are 11 and 23 respectively.This suggests that number of proton in sodium =11 and number of nucleons i.e. proton and neutrons in sodium =23. Thus, number of neutrons =12 and ALSO SINCE no. of PROTONS = no. of electrons =11So, they are similar

51028.

What is combination reaction class 10 Spams will be reported

Answer»

a REACTION in which a more than ONE SUBSTANCE combine to FORM a SINGLE substance

51029.

How to balance the equation ​

Answer»

C+H2SO4 = CO2 + 2H2O + 2SO2Explanation:

51030.

What do you mean by chemical reaction and equation?​

Answer»

Summary. A CHEMICAL reaction is described by a chemical equation, an EXPRESSION that gives the identities and quantities of the substances involved in a reaction. A chemical equation SHOWS the starting compound(s)—the reactants—on the left and the final compound(s)—the products—on the right, separated by an arrow.Explanation:HOPE my answer will help uhthnks

51031.

GAME WITH CARBON AND ITS derivates science​

Answer»

sgcqskcubecqahbkaecjGCSjsq BS . zamgsgukc as

51032.

What do you mean by lonepair ?​

Answer» LONE pair refers to that pair of electrons which are not in BOND with other electrons . Explanation:They are also known as the free pair of electrons .HOPE this helps you.
51033.

How many moles of solute are present in each of the following solution ? 35.0mol of 1.200m hno3​

Answer» PHOTOSYNTHESIS is the process in which green plants use sunlight to make their own FOOD. ... Photosynthesis requires sunlight, CHLOROPHYLL, water, and carbon dioxide gas. Chlorophyll is a substance in all green plants, especially in the leaves. Plants TAKE in water from the soil and carbon dioxide from the air..
51034.

4 In vulcanization of rubber substance used is​

Answer»

SulphurExplanation:YY Yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

51035.

1.51 x 1023 molecules of NH4Cl​

Answer»

djdsmzsExplanation:sjsksksssess1uddisi

51036.

2. The nucleus of the stars and sun has (a helium(b) hydrogen(c) carbon(d) phosphorus​

Answer»

ists of a nucleus containing 2 PROTONS and TWO neutrons. ... Heat and pressure inside the core, or center, of the Sun are so high that protons can hit each other hard ENOUGH to bond together. If four protons are SMASHED together, the result is two protons, two neutrons, two POSITRONS, and some energy.

51037.

2.a)Write the essential condition for the following reaction 2AgBr------- 2Ag + Br2 b) Write an application of the above reaction c) Name the type of reaction​

Answer»

:a) The essential condition for the given REACTION is that this reaction is to be PERFORMED in the presence of sunlight. It's APPLICATION is in black and white photography.b) 2FeSO4 ===> Fe2O3 + SO2 + SO3

51038.

आदर्श गैस के pv samtapi wakro ka varnan kijiye​

Answer»

ooooooooooooooooookk

51039.

Write the Valencies for following: Chlorate​

Answer»

ClO3- is a radical whose NAME is CHLORATE ION. Its VALENCY is 1Explanation:

51040.

Illustrate with three examples the effect of oxidation reaction in everyday life

Answer»

The two major oxidation reactions taking place in our day to day life are corrosion of METALS and rancidity of food ITEMS. When a metal is being attacked by the substances around it as moisture, WATER, AIR, acids, etc.; this PROCESS of degradation of the metals is known as corrosion of metals.Photography too is an example (fun fact ;)Hope that helped you :

51041.

The atomic number s of elements A B C and D are 3 9 4 and 8 respectively elements having metallic nature among these are

Answer» LITHIUM FLOURINE BERYLIUM OXYGEN
51042.

A solution of a substance 'x' is used in white washing. a) Identify the substance 'x' b) Identify the type of reaction c) Write the reaction of solution of 'x' with CO2​

Answer»

iejheggedgdhusuwhwheyshehsnshgsyshshehehhebebrshhshshdhhdhehshevveshhshsgsgegfegegsgExplanation:hshshhhshhshshhsgsgeggggghhahhshshshhdhdhdhddmshhdhdjdjudye

51043.

Chemistry experts I need your help.​

Answer»

because of TEMPERATURE

51044.

Calculate the shortest wave length of balmer series​

Answer» REFER to the ATTACHMENT
51045.

Name the solution used to regenerate exhausted anion exchange resin?​

Answer» STRONG base anion exchangers areregenerated with a 4% SODIUM hydroxide solution. As with cationregeneration, the RELATIVELY HIGH CONCENTRATION of hydroxide drives theregeneration reaction.
51046.

What is calcination?give an example​

Answer»

Calcination is the process of heating the concentrated ore such as carbonate or hydrated oxide to a high temperature in the absence of AIR. Example: Metal CARBONATES get decomposed to produce metal oxides. ZnCO X 3 ⟶ ZNO + CO X 2.

51047.

Describe the preparation of soap. Give the formula of an ordinary washing soap.​

Answer»

Soap: Soap is a sodium or POTASSIUM salt of a fatty acid(stearic acid, oleic acid, PALMITIC acid). Sodium soap is PRESENT in washing soap, while potassium soap is present in bathing soap.Preparation of soap:On heating with sodium hydroxide, vegetable oil or animal fat FORMS a sodium salt of fatty acid and glycerol. This process is known as saponification.vegetable oil or Animal fat + Sodium hydroxide Δ-->Saponification Glycerol + Sodium salt of fatty acid(Soap)

51048.

What is ...I'm so domb lol XD I didn't use attachment in my previous question ​

Answer»

LOL NEXT TIME don't forget to USE attachment

51049.

Hiiur intro pleaseu please answer others don't answer​

Answer»

my NAME is ROHAN from where you are

51050.

How is chemistry important in chemistry Industries

Answer»

tion:Chemistry plays an important and useful ROLE TOWARDS the development and growth of a number of industries. This INCLUDES industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like PAINTS, pigments, PETROLEUM, sugar, plastics, Pharmaceuticals.༶•┈┈⛧┈♛♛┈⛧┈┈•༶