Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff

Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT combination that gives two diff
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Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively The only CORRECT ... )(i)(S) D. (III)(iii)(P)
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Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis of benzoic acid, the only CORR

Description : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis of benzoic acid, the only CORR

Last Answer : Column 1,2 and 3 contain starting materials, reaction conditions, and type of reactions, respectively For the synthesis ... )(ii)(P) D. (III)(iv)(R)

Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? (A) Lime stone and alumina (B) Silica and alkalies (C) Alumina and iron (D) Alkalies and magnesium

Description : Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? (A) Lime stone and alumina (B) Silica and alkalies (C) Alumina and iron (D) Alkalies and magnesium

Last Answer : Answer: Option B

Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have to measure the cell potential to obtain the difference in potential energy because the potential of half-reactions cannot be measured directly. C The direction of a redox reaction can only be determined experimentally. D Half-cell potentials for half-reactions are determined by combining the relevant half-cell with a standardised half-cell.

Description : Which one of the following statements is not correct? A Since voltage depends on concentrations, using standard conditions makes it easier to compare different electrochemical reactions. B We have ... half-reactions are determined by combining the relevant half-cell with a standardised half-cell.

Last Answer : C The direction of a redox reaction can only be determined experimentally. 

In the reversible reaction of the type, A + B ⇌ AB, in general (A) Both forward and backward reactions will be exothermic (B) Neither of the reactions will be endothermic (C) The combination reaction will be exothermic, while the dissociation reaction will be endothermic (D) The combination reaction will be endothermic, while the dissociation reaction will be exothermic

Description : In the reversible reaction of the type, A + B ⇌ AB, in general (A) Both forward and backward reactions will be exothermic (B) Neither of the reactions will be endothermic (C) ... will be endothermic (D) The combination reaction will be endothermic, while the dissociation reaction will be exothermic

Last Answer : (C) The combination reaction will be exothermic, while the dissociation reaction will be endothermic

The total change in the enthalpy of a system is independent of the (A) Number of intermediate chemical reactions involved (B) Pressure and temperature (C) State of combination and aggregation in the beginning and at the end of the reaction (D) None of these

Description : The total change in the enthalpy of a system is independent of the (A) Number of intermediate chemical reactions involved (B) Pressure and temperature (C) State of combination and aggregation in the beginning and at the end of the reaction (D) None of these

Last Answer : (A) Number of intermediate chemical reactions involved

Match the items of column I and Column II and select the correct combination

Description : Match the items of column I and Column II and select the correct combination

Last Answer : Match the items of column I and Column II and select the correct combination A. a-q,b-r,c-p B. a-r,b-q,c-p C. a-r,b-q,c-r D. a-r,b-p,c-q

Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

Description : Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

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Description : Which of the following statements is/are correct? 1. A materials requisition note is used to record the issue of direct material to a specific job. 2. A typical job cost will contain actual costs for material, labour and production ... 1) and (2) only (c) (1) and (3) only (d) (2) and (3) only

Last Answer : (c) (1) and (3) only

Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Description : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Last Answer : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and ... , M : liquid in solid, S : solid in gas

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Description : Anyone here had C Diff?

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Description : What's the diff. between "I feel sick" and "I feel sickly"?

Last Answer : i think sickly implies a constant sort of icky, sick fatigue. sick is a physiological thing.

Does anyone still care about the diff. between it's & its?

Description : Does anyone still care about the diff. between it's & its?

Last Answer : answer:Ha! Yes, people still care, and by people, I mean English teachers and proofreaders. The distinction between the two is observed in every print (and web) publication, and I think messing up ... actually useful!) but I like to think that it still makes you look dumb to confuse the two.

Do you still have to remember usernames with "SuperGenPass"? what about password lenght requirements that are diff on diff sites, also: any alternatives you guys use that's 100% hacker safe?

Description : Do you still have to remember usernames with "SuperGenPass"? what about password lenght requirements that are diff on diff sites, also: any alternatives you guys use that's 100% hacker safe?

Last Answer : answer:i just use the same…i don’t care that people see me on empornium etc. but ofcourse, everything will never be fully hackproof…

how can i the diff between a female geese or male gander ?

Description : how can i the diff between a female geese or male gander ?

Last Answer : There is no way to visually tell the difference between male and female Goose. This species is 76-110 cm (30-43 in) long with a 127-180 cm (50-71 in) wing span.[3] Males usually ... or a drawn out whinny - "wheee-oow". Anyone who has raised domestic geese will immediately recognize these calls.

As shown in the illustrations, fine adjustments such as 'weather' and 'turning rate' have no effect on steering stand operation when the 'operation control switch' is in ____________. EL-0097 A. GYRO B. HAND C. NFU D. DIFF

Description : As shown in the illustrations, fine adjustments such as 'weather' and 'turning rate' have no effect on steering stand operation when the 'operation control switch' is in ____________. EL-0097 A. GYRO B. HAND C. NFU D. DIFF

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What is the main diff. bet. Reports 2.0 & Reports 2.5?

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Diff. between VAT and Property Class? imp

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Description : What are OPEN_FORM,CALL_FORM,NEW_FORM? diff?

Last Answer : CALL_FORM : It calls the other form. but parent remains active, when called form completes the operation , it releases lock and control goes back to the calling form. When you call a form, Oracle Forms ... was a called form, Oracle Forms runs the new form with the same options as the parent form.

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Description : What is the diff. between electronic regulator and ordinary rheostat regulator for fans?

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What is the diff. btwn. Electronic regulator and ordinary rheostat regulator for fans?

Description : What is the diff. btwn. Electronic regulator and ordinary rheostat regulator for fans?

Last Answer : A: The difference between the electronic and ordinary regulator is the fact that in electronic reg. power losses tend to be less because as we minimize the speed the electronic reg. give ... speed is controlled but in rheostatic control resistance is decreased by steps to achieve speed control.

Describe working of diff and cmp file handling commands with example.

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If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. (A) a1 = a2 (B) a1 = 2a2 (C) a1 = 0.5 a2 (D) None of these

Description : If a1 and a2 are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. (A) a1 = a2 (B) a1 = 2a2 (C) a1 = 0.5 a2 (D) None of these

Last Answer : (D) None of these

Which of the following statements on DRAM are correct? i) Page mode read operation is faster than RAS read. ii) RAS input remains active during column address strobe. iii) The row and column addresses are strobed into the internal buffers using RAS and CAS inputs respectively. a) i & iii b) i & ii c) all d) iii

Description : Which of the following statements on DRAM are correct? i) Page mode read operation is faster than RAS read. ii) RAS input remains active during column address strobe. iii) The row and column addresses are strobed into the ... RAS and CAS inputs respectively. a) i & iii b) i & ii c) all d) iii

Last Answer : d) iii

Match column -I with column - II. Column-I Column-II A. Saprophyte (i) Symbiotic association of fungi with plant roots B. Parasite (ii) Decomposition of dead organic materials C. Lichens (iii) Living on living plants or animals D. Mycorrhiza (iv) Symbiotic association of algae and fungi Choose the correct answer from the options given below. (A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (i) (ii) (iii) (iv) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)

Description : Match column -I with column - II. Column-I Column-II A. Saprophyte (i) Symbiotic association of fungi with plant roots B. Parasite (ii) Decomposition of dead organic materials C. Lichens (iii) Living on living plants or animals D. ... (iii) (iv) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)

Last Answer : (a) (ii) (iii) (iv) (i)

Which of the following is true when HCL is passed through water. (i) It does not ionize in the solution as it is a covalent compound (ii) It ionizes in the solution (iii) It gives both hydrogen and hydroxyl ions in the solution (iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule. (a) (i) only (b) (iii) only (c) (ii) and (iv) only (d) (iii) and (iv)

Description : Which of the following is true when HCL is passed through water. (i) It does not ionize in the solution as it is a covalent compound (ii) It ionizes in the solution (iii) It gives both hydrogen and hydroxyl ions in the solution ... ) (i) only (b) (iii) only (c) (ii) and (iv) only (d) (iii) and (iv)

Last Answer : (c) (ii) and (iv) only

The only CORRECT combination in which the reaction proceeds through radical mechanism is

Description : The only CORRECT combination in which the reaction proceeds through radical mechanism is

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For a disproportionation reaction the only correct combination is -

Description : For a disproportionation reaction the only correct combination is -

Last Answer : For a disproportionation reaction the only correct combination is - A. (I) (ii) (R) B. (II) (ii) (Q) C. (IV) (i) (S) D. (III) (ii) (Q)

(D) on reaction with phenol under alkaline conditions gives :

Description : (D) on reaction with phenol under alkaline conditions gives :

Last Answer : (D) on reaction with phenol under alkaline conditions gives : A. diazobenzene B. hydrazobenzene C. benzidine D. para hydroxy azobenzene

How is decomposition reactions are the opposite of combination reactions?

Description : How is decomposition reactions are the opposite of combination reactions?

Last Answer : Ans Combination reactions involve the combination of more than one substance where as decomposition reactions involve the breakdown of substance.

Sulfadoxine-pyrimethamine combination is used as clinical curative but is not recommended for prophylaxis of malaria because of: A. Risk of megaloblastic anaemia due to pyrimethamine B. Risk of severe dermatological reactions to sulfadoxine C. Need for daily administration of the d

Description : Sulfadoxine-pyrimethamine combination is used as clinical curative but is not recommended for prophylaxis of malaria because of: A. Risk of megaloblastic anaemia due to pyrimethamine B. Risk of severe dermatological reactions to sulfadoxine C. Need for daily administration of the d

Last Answer : B. Risk of severe dermatological reactions to sulfadoxine

Using only calculations you can do in your head, can you show that the century starting in 3500 is the first that will not contain a year that is a perfect square?

Description : Using only calculations you can do in your head, can you show that the century starting in 3500 is the first that will not contain a year that is a perfect square?

Last Answer : For the algebra, it may be simpler to use the fact that (x+1)^2 – x^2 = 2x+1

Which one of the following statements regarding a catalyst is not correct? A An enzyme is a catalyst that only binds certain substrates. B An enzyme is a protein that is a highly efficient catalyst for one or more chemical reactions in a living system. C Catalysts increase the rate of a reaction by altering the mechanism, thereby increasing the activation energy. D Catalysts do not alter the equilibrium constant for a chemical reaction.

Description : Which one of the following statements regarding a catalyst is not correct? A An enzyme is a catalyst that only binds certain substrates. B An enzyme is a protein that is a highly ... increasing the activation energy. D Catalysts do not alter the equilibrium constant for a chemical reaction.

Last Answer : C Catalysts increase the rate of a reaction by altering the mechanism, thereby increasing the activation energy.

5-10-5 fertilisers mean that they contain (A) 5, 10, 5% respectively of N2 , P2O5 and K2O (B) Only 5 to 10% active fertiliser constituents (C) 5 to 10% filler & carrier of soil conditioners (D) None of these

Description : 5-10-5 fertilisers mean that they contain (A) 5, 10, 5% respectively of N2 , P2O5 and K2O (B) Only 5 to 10% active fertiliser constituents (C) 5 to 10% filler & carrier of soil conditioners (D) None of these

Last Answer : (A) 5, 10, 5% respectively of N2 , P2O5 and K2O

An Aided school has only three classes which contain 70, 36 and 40students respectively. The pass percentage of these classes are30,25 and 20 respectively. The pass percentage of the aided school is A) 23 % B) 15% C) 26 % D) 30%

Description : An Aided school has only three classes which contain 70, 36 and 40students respectively. The pass percentage of these classes are30,25 and 20 respectively. The pass percentage of the aided school is A) 23 % B) 15% C) 26 % D) 30% 

Last Answer : C) Total number of students passed in class1 = 30/100 *70 = 21 Total number of students passed in class 2= 25/100 *36 = 9 Total number of students passed in class 3= 20/100 *40 = 8 Total number of students passed in the school = 38 Thus, pass percentage of the school = 38 /146*100 = 26 %

Match the reactions in Column I with appropriate options in Column II.

Description : Match the reactions in Column I with appropriate options in Column II.

Last Answer : Match the reactions in Column I with appropriate options in Column II.

Match the reactions given in Column I with the statements given in Column II

Description : Match the reactions given in Column I with the statements given in Column II

Last Answer : Match the reactions given in Column I with the statements given in Column II

Match the reactions in Column I with appropriate types of steps/reactive intermediate involved in these reactions as given in Column II.

Description : Match the reactions in Column I with appropriate types of steps/reactive intermediate involved in these reactions as given in Column II.

Last Answer : Match the reactions in Column I with appropriate types of steps/reactive intermediate involved in these reactions as given in Column II.

All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Description : All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Last Answer : All the compounds listed in column I react with water. Match the result of the respective reactions with the appropriate options listed in column II.

Match the reactions listed in column-I with the products listed in column-II

Description : Match the reactions listed in column-I with the products listed in column-II

Last Answer : Match the reactions listed in column-I with the products listed in column-II

Match the reactions listed in column-I with the products listed in column-II

Description : Match the reactions listed in column-I with the products listed in column-II

Last Answer : Match the reactions listed in column-I with the products listed in column-II

An aeroplane is starting a non-precision approach with an MDH of 250ft and minimum visibility of 800 meters. ATC gives threshold, mid-runway and final third RVRs. When may the approach be started? a. When threshold and mid-runway RVRs are greater than 800m b. When all 3 RVRs are greater than 800m c. When the met viz is greater than 800m. RVR is for precision approaches only. d. When threshold RVR is greater than 800m

Description : An aeroplane is starting a non-precision approach with an MDH of 250ft and minimum visibility of 800 meters. ATC gives threshold, mid-runway and final third RVRs. When may the approach be started? ... than 800m. RVR is for precision approaches only. d. When threshold RVR is greater than 800m

Last Answer : d. When threshold RVR is greater than 800m

A fixed dose combination preparation meant for internal use must not contain the following class of drug: A. Thiazide diuretic B. Fluoroquinolone antimicrobial C. Corticosteroid D. H2 blocker

Description : A fixed dose combination preparation meant for internal use must not contain the following class of drug: A. Thiazide diuretic B. Fluoroquinolone antimicrobial C. Corticosteroid D. H2 blocker

Last Answer : C. Corticosteroid

Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination of spring wood and autumn wood produced in a year. (c) Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.

Description : Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination ... of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.

Last Answer : a) Annual rings are not prominent in trees of temperate region

Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved? (a) Displacement reaction (b) Precipitation reaction (c) Combination reaction (d) Double displacement reaction A) Only (A) B) Only (B) C) Only (D) D) (B) & (D)

Description : Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved? (a) Displacement reaction (b) Precipitation reaction (c) Combination ... Only (A) B) Only (B) C) Only (D) D) (B) & (D)

Last Answer : D) (B) & (D)