52639 + Interview Questions in Secondary School in Chemistry

1.	What synthesizes lipids and carbohydrates?
Answer» LIPIDS Synthesizes FATTY ACID + Glycerol and CARBOHYDRATES synthesizes Glucose.

Discussion

2.	Which iron ore has highest iron content?
Answer» HAEMATITE (FE2O3) has HIGHEST IRON CONTENT

Discussion

3.	What is the need of she in electrochemistry?
Answer» She is used to measure ELECTRIC potential.... STANDARD electron potential of HYDROGEN electrode is taken as zero which means that hydrogen has equal tendency to lose or gain electrons.... standard hydrogen electrode consists of a platinum electrode coated with platinum black the electrode is displaced in acid solution and hydrogen gas BUBBLES through it....

Discussion

4.	Which hormone do they use to get high quantity of milk sotry?
Answer» The ANSWER is recombinant bovine GROWTH HORMONE (rBGH). Dairy cows are treated with recombinant bovine growth hormone (rBGH) to get high quantity of milk. This hormone is actually a synthetic version of one of the MANY hormones that are produced naturally in cows. When treated with this hormone, the yield of milk is higher by around 10 to 15 percent.

Discussion

5.	The principal of use of hydrofluoric acid
Answer» Hey FRIEND...!! here's your answer ________________________ The principal use of hydroflauric acid is in organofluorine chemistry. Many organofluorine COMPOUNDS are prepared using HF as the fluorine source, including Teflon, fluoropolymers, fluorocarbons, and REFRIGERANTS such as freon. ____________________ #hope its help you dear# ☺

Discussion

6.	Types of physical and chemical absorption
Answer» Physical Adsorption. Physical adsorption, or PHYSISORPTION, is a TYPE of adsorption that occurs for most particles in CONTACT with a solid or liquid surface. Condensation of water molecules sticking to a drinking glass is an EXAMPLE.

Discussion

7.	Which form of co2 is mostly carried by blood is?
Answer» HOPE this will HELP you.......

Discussion

8.	Which of the following is correct for {{N}_{2}}triple bond [CPMT 2002]A) 3s B) 1p, 2s C) 2p, 1s D) 3p
Answer» N mean 7 it is want 1 more to bond formation in FORM single BONDING

Discussion

9.	Difference betwwen fluorescence spectra and raman spectra
Answer» In GAS the MOLECULAR are LESS than SOILD

Discussion

10.	Which element is not named after the latin name of modern day city?
Answer» 40 of the 118 chemical elements have names associated with, or specifically named for, plops around the world or among astronomical objects. 32 of these have names tied to the Earth and the other 8 have names CONNECTED to bodies in the Solar SYSTEM. The first tables below LIST the terrestrial LOCATIONS (excluding the entire Earth itself, taken as a whole) and the last table lists astronomical objects which the chemical elements are named after. I caught this answer HOPE this will help you

Discussion

11.	Tashiro indicator in boric acid solution
Answer» Tashiros INDICATOR is a ph indicator (ph value 4.4-6 2),MIXED indicator composed of a SOLUTION of methylene BLUE (0.1) and methyl red (0.03) in ENTHO or in methanol

Discussion

12.	Reaction of sodium phenoxide with carbon dioxide
Answer» SULFURIC ACID is the PRODUCT formed by the REACTION of those TWO compound

Discussion

13.	Number of electrons present in 36ml of water
Answer» Density of WATER =1gm/cm^3 1molecule of H2O will have 10 electrons..... 1+1+8 therefore 1 MOLE of water will have 10 x NA electrons so answer is 10NA

Discussion

14.	N propyl chloride and iso propyl chloride
Answer» Here is your ANSWER..... HOPE this will HELP you......

Discussion

15.	Mixture of gycerol and sugar can be seperated by
Answer» I THINK by BOILING or HEATING

Discussion

16.	Molecular diffusion and knudsen diffusion
Answer» Molecular diffusion is a thermal MOTION of all particles at TEMPERATURE above absolute zero. the rate of this MOVEMENT is a function of temperature , VISCOSITY of the fluid and size of particles.

Discussion

17.	What volume is occupied at stp-0.2 mole of ammonia?
Answer» 1 MOLE = 22.4l 0.2 mole = 4.48 L

Discussion

18.	How much hair can be bleached by 15 gm bleaching powder
Answer» It is how MUCH WATER is PUT

Discussion

19.	6 litres of oxygen at stp is equivalent to
Answer» 3soda GAS cylinder and we wasting EVERY day 3cylinder carbon dioxide

Discussion

20.	Atomic number of an element is 26. The element shows [CPMT 1996]A) Ferromagnetism B) Diamagnetism C) Paramagnetism D) None of these
Answer» HEYA____✋✋ HERE'S YOUR ANSWER_____⬇⬇⬇ ⏩⏩⏩ ANSWER➡➡➡DIAMAGNETISM IS UR ANSWER___♣♣ ⏩⏩⏩ HENCE, B) OPTION IS CORRECT___♦♦♦♦ ⏩⏩⏩ HOPE IT WILL HELP YOU____✴✴ THANKS____☺✌

Discussion

21.	What is the maximum amount of water to drink in a day
Answer» 2 or 3 LITERS...........

Discussion

22.	How to find the order of reaction from a table?
Answer» By EQUATING the POWERS of all the REACTANTS and products. Thanks!!

Discussion

23.	Hydrogen positive electron gain enthalpy example
Answer» Plzzzz explain me that HYDROGEN GAVE positive electron PLZZ

Discussion

24.	What is the number of unit cell in 936u of nacl?
Answer» GET no. of moles .IE;936/58.5=16.So no. of UNIT cells =16*Avogadro no. I think it helped.If WRONG then I am Sorry

Discussion

25.	Hardness of water containing 0.001 mole of mgso4
Answer» 1000000g of water contain mgso4 = 9.6 * 1000 = 9600 MG = 9.6 g u NEED to REMEMBER – 100000g = one million parts of water 1 mole of mgso4 = 1 mole of caco3

Discussion

26.	The difference in energy between the molecular orbital formed and the combining atomic orbitals is calledA) Bond energy B) Activation energy C) Stabilization energy D) Destabilization energy
Answer» STABILIZATION ENERGY

Discussion

27.	What is nuclear energy ? state one use of it?
Answer» Nuclear energy is the energy present in the NUCLEUS of an atom. Nuclear energy is USED to make BOMBS..

Discussion

28.	Which reagent we can use in capping of nanoparticles
Answer» No IDEA.............

Discussion

29.	What is metastable ion in mass spectroscopy?
Answer» Metastable ion. An ion which is FORMED with sufficient EXCITATION to dissociate spontaneously during its FLIGHT from the ion source to the detector.

Discussion

30.	What happens when dilute hcl is poured on zinc granules .give a suitable equation?
Answer» When dilute HCL is poured on ZINC granules , displacement REACTION takes place and the formation of zinc CHLORIDE takes place Hcl + zn----> ZnCl+ H

Discussion

31.	WHY PPM is better than Jpeg and tiff how to describe it
Answer» SORRY FREIND I don't KNOW this... SOOO sorry

Discussion

32.	The paramagnetic nature of oxygen molecule is best explained on the basis of [BHU 1996]A) Valence bond theory B) Resonance C) Molecular orbital theory D) Hybridization
Answer» B) OPTION MAY be the ANS

Discussion

33.	In which case the bond length is minimum between carbon and nitrogenA) C{{H}_{3}}N{{H}_{2}} B) {{C}_{6}}{{H}_{5}}CH=NOH C) C{{H}_{3}}CON{{H}_{2}} D) C{{H}_{3}}CN
Answer» C) OPTION MAY be the ANS

Discussion

34.	Which of the following molecule is paramagnetic [CPMT 1980; RPET 1999;MP PMT 1999; RPMT 2000]A) Chlorine B) Nitrogen C) Oxygen D) Hydrogen
Answer» OXYGEN is the RIGHT ANSWER of this QUESTION

Discussion

35.	Molecular weight of tris hydroxymethyl aminomethane
Answer»

Discussion

36.	Water treatment plant india introduction
Answer» Bhandup water treatment COMPLEX, Mumbai is using aluminium ferric sulphate, which is ONE of the biggest water treatment plant in India. used for mixing of chemicals. Also, paddles of flash mixer were NON functional in some water treatment plants. chlorination, while majority are using LIQUID chlorine.

Discussion

37.	Oxygen molecule is paramagnetic because [NCERT 1984; IIT 1984]A) Bonding electrons are more than antibonding electrons B) Contains unpaired electrons C) Bonding electrons are less than antibonding electrons D) Bonding electrons are equal to antibonding electrons
Answer» C) BONDING ELECTRONS are LESS than antibonding electrons

Discussion

38.	What is the hydroxide ion concentration, [OH-], in a 0.0137 M solution of cesium hydroxide (CsOH)?
Answer» CSOH=Cs+ + OH-... so if the CONCENTRATION of CsOH SOLUTION is 0.0137 M so the [OH-] is ALSO 0.0137 M.

Discussion

39.	Vaporization refer to the change in state of matter from
Answer» Vaporization refer to the CHANGE of STATE of MATTER from LIQUID to VAPOUR

Discussion

40.	When two atomic orbitals combine they formA) One molecular orbital B) Two molecular orbital C) Three molecular orbital D) Four molecular orbital
Answer» B TWO ATOMIC MOLECULAR ORBITAL

Discussion

41.	Under what circumstances it is better to use steam distillation over continuous distillation
Answer» What is the PROCESS of steam distillation? Steam distillation is a special type of distillation (a separation process) for temperature sensitive materials like NATURAL aromatic compounds. It once was a POPULAR laboratory method for purification of ORGANIC compounds, but has BECOME obsolete by vacuum distillation.

Discussion

42.	Histidinol phosphate phosphatase from truncatula
Answer» Is there any COMPOUND....??

Discussion

43.	The substance that is least prone to catch and spread fire is
Answer» ANSWER- It is COTTON

Discussion

44.	What is the pH of a 1.0 x 10^-5 M solution of sulfuric acide (H2SO4)
Answer» ★ Ello ★ here is your answer !! PH is negative logarithm of H + Ion concentration . pH = 1 / [ -H ] => pH = - log [ 1 × 10 ^-5 ] mol / l => pH => 5 { because = log 10 = 1 } hence , the pH of SOLUTION is 5 HOPE it helps you dear !! ★Ans = 5 ★ $thanks$

Discussion

45.	The pk of a weak acid is 4.8 what should be the ratio of acid by salt of a buffer if ph is equal to 5.8 is required
Answer» For BUFFER solution pH=pKa+ $log$ [SALT]/[ACID] 5.8=4.8+log[salt]/[acid] 1=log[salt]/[acid] [salt]/[acid]=antilog1 [salt]/[acid]=10 [acid]/[salt]=0.1

Discussion

46.	He term "meiosis'' was coined byA) Hertwig and Van Bevedin B) Sutton and Boveri C) Hofmeister and Waldeyer D) Farmer and Moore
Answer» TERM “MEIOSIS” was GIVEN by FARMER and MOORE

Discussion

47.	Is water is bye product in alcoholic petrol combustion
Answer» It is a bye product Hope it will help you PLEASE MARK it as BRAINLIST please

Discussion

48.	The blue baby syndrome is caused by the contamination of water due to
Answer» The BLUE BABY syndrome is caused by the contamination of water due to EXCESS NITRATES

Discussion

49.	Which of these clothes dry faster in rainy season?A) Cotton B) Wool C) Polyester D) Silk
Answer» UR ANSWER will be A(.cotton.) I HOPE it's HELP U.. THANKS

Discussion

50.	I Which of these clothes should you wear while cooking in the kitchen?A) Rayon B) Cotton C) Polyester D) Polycot
Answer» Ur ANSWER will be 2.. COTTON I HOPE it's help U THANKS

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

What synthesizes lipids and carbohydrates?

Which iron ore has highest iron content?

What is the need of she in electrochemistry?

Which hormone do they use to get high quantity of milk sotry?

The principal of use of hydrofluoric acid

Types of physical and chemical absorption

Which form of co2 is mostly carried by blood is?

Which of the following is correct for {{N}_{2}}triple bond [CPMT 2002]A) 3s B) 1p, 2s C) 2p, 1s D) 3p

Difference betwwen fluorescence spectra and raman spectra

Which element is not named after the latin name of modern day city?

Tashiro indicator in boric acid solution

Reaction of sodium phenoxide with carbon dioxide

Number of electrons present in 36ml of water

N propyl chloride and iso propyl chloride

Mixture of gycerol and sugar can be seperated by

Molecular diffusion and knudsen diffusion

What volume is occupied at stp-0.2 mole of ammonia?

How much hair can be bleached by 15 gm bleaching powder

6 litres of oxygen at stp is equivalent to

Atomic number of an element is 26. The element shows [CPMT 1996]A) Ferromagnetism B) Diamagnetism C) Paramagnetism D) None of these

What is the maximum amount of water to drink in a day

How to find the order of reaction from a table?

Hydrogen positive electron gain enthalpy example

What is the number of unit cell in 936u of nacl?

Hardness of water containing 0.001 mole of mgso4

The difference in energy between the molecular orbital formed and the combining atomic orbitals is calledA) Bond energy B) Activation energy C) Stabilization energy D) Destabilization energy

What is nuclear energy ? state one use of it?

Which reagent we can use in capping of nanoparticles

What is metastable ion in mass spectroscopy?

What happens when dilute hcl is poured on zinc granules .give a suitable equation?

WHY PPM is better than Jpeg and tiff how to describe it

The paramagnetic nature of oxygen molecule is best explained on the basis of [BHU 1996]A) Valence bond theory B) Resonance C) Molecular orbital theory D) Hybridization

In which case the bond length is minimum between carbon and nitrogenA) C{{H}_{3}}N{{H}_{2}} B) {{C}_{6}}{{H}_{5}}CH=NOH C) C{{H}_{3}}CON{{H}_{2}} D) C{{H}_{3}}CN

Which of the following molecule is paramagnetic [CPMT 1980; RPET 1999;MP PMT 1999; RPMT 2000]A) Chlorine B) Nitrogen C) Oxygen D) Hydrogen

Molecular weight of tris hydroxymethyl aminomethane

Water treatment plant india introduction

Oxygen molecule is paramagnetic because [NCERT 1984; IIT 1984]A) Bonding electrons are more than antibonding electrons B) Contains unpaired electrons C) Bonding electrons are less than antibonding electrons D) Bonding electrons are equal to antibonding electrons

What is the hydroxide ion concentration, [OH-], in a 0.0137 M solution of cesium hydroxide (CsOH)?

Vaporization refer to the change in state of matter from

When two atomic orbitals combine they formA) One molecular orbital B) Two molecular orbital C) Three molecular orbital D) Four molecular orbital

Under what circumstances it is better to use steam distillation over continuous distillation

Histidinol phosphate phosphatase from truncatula

The substance that is least prone to catch and spread fire is

What is the pH of a 1.0 x 10^-5 M solution of sulfuric acide (H2SO4)

The pk of a weak acid is 4.8 what should be the ratio of acid by salt of a buffer if ph is equal to 5.8 is required

He term "meiosis'' was coined byA) Hertwig and Van Bevedin B) Sutton and Boveri C) Hofmeister and Waldeyer D) Farmer and Moore

Is water is bye product in alcoholic petrol combustion

The blue baby syndrome is caused by the contamination of water due to

Which of these clothes dry faster in rainy season?A) Cotton B) Wool C) Polyester D) Silk

I Which of these clothes should you wear while cooking in the kitchen?A) Rayon B) Cotton C) Polyester D) Polycot