Choose the correct option of temperature at which carobon reduces FeO to iron and produces CO.

Choose the correct option of temperature at which carobon reduces FeO to iron and produces CO.
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Choose the correct option of temperature at which carobon reduces FeO to iron and produces CO. A. ... at point D0 D. Above temperature at point A
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Choose the correct option of temperature at which carbon reduced `FeO` to iron and produces `CO`

Description : Choose the correct option of temperature at which carbon reduced `FeO` to iron and produces `CO`

Last Answer : Choose the correct option of temperature at which carbon reduced `FeO` to iron and produces `CO` A. ... at point D D. Above temperature at point A

FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K? (A) 1.0 (B) 1.3 (C) 2.3 (D) 3.3

Description : FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K? (A) 1.0 (B) 1.3 (C) 2.3 (D) 3.3

Last Answer : Option D

For the reduction of `FeO` at the temperature corresponding to point D, which of the following statements is correct?

Description : For the reduction of `FeO` at the temperature corresponding to point D, which of the following statements is correct?

Last Answer : For the reduction of `FeO` at the temperature corresponding to point D, which of the ... overall reduction reaction with carbon monoxides is negative

For the reduction of `FeO` at the temperature corresponding to point D, which of the following statements is correct?

Description : For the reduction of `FeO` at the temperature corresponding to point D, which of the following statements is correct?

Last Answer : For the reduction of `FeO` at the temperature corresponding to point D, which of the ... overall reductioon reaction with carbon monoxide is negative

(A): At 1200K iron can be reduce cuprous oxide (R )L: At 1200K, `Fe+Cu_(2)O to FeO+2Cu` `DeltaG=-300kj//"mole"`

Description : (A): At 1200K iron can be reduce cuprous oxide (R )L: At 1200K, `Fe+Cu_(2)O to FeO+2Cu` `DeltaG=-300kj//"mole"`

Last Answer : (A): At 1200K iron can be reduce cuprous oxide (R )L: At 1200K, `Fe+Cu_(2)O to FeO+2Cu` ` ... incorrect D. If (A) is incorrect but (R ) is correct

(4) A mixture of Fe₂O₃, 3H₂O and FeO Explanation: Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron (III) oxides Fe2O

Description : (4) A mixture of Fe₂O₃, 3H₂O and FeO Explanation: Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron (III) oxides Fe2O

Last Answer : Catalyst is a substance which – (1) increases the rate of the reaction (2) decreases the rate of reaction (3) has no action on the rate of the reaction (4) None of these

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above

Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above

Last Answer : Answer: Option D

The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these

Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these

Last Answer : Answer: Option D

.Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele expresses itself C. Pleiotropy (iii) In a heterozygous organism both alleles express themselves fully D. Polygenic (iv) A single gene inheritance influences many characters A B C D (a) (iv) (i) (ii) (iii) (b) (iv) (iii) (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

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

At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the reaction `2Fe rarr 2Fe +O_(2)` with all of

Description : At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the reaction `2Fe rarr 2Fe +O_(2)` with all of

Last Answer : At the temperature corresponding to which of the points in Fig. `FeO` will be reduced to Fe by coupling the ... A B. Point B C. Point D D. Point E

Addition of pyrazinamide and ethambutol for the first two months to the isoniazid + rifampin therapy of tuberculosis serves the following purpose(s): A. Reduces the total duration of therapy to 6 months B. Produces more rapid sputum conversion C. Permits reduction of rifampin dose D. Both ‘A’ and ‘B’ are correct

Description : Addition of pyrazinamide and ethambutol for the first two months to the isoniazid + rifampin therapy of tuberculosis serves the following purpose(s): A. Reduces the total duration of therapy to 6 months B. ... sputum conversion C. Permits reduction of rifampin dose D. Both A' and B' are correct

Last Answer : D. Both ‘A’ and ‘B’ are correc

In a patient of bronchial asthma, inhaled salbutamol produces the following effect(s): A. Inhibits antigen-antibody reaction in the lungs B. Causes bronchodilatation C. Reduces bronchial hyperreactivity D. Both ‘B’ and ‘C’ are correct

Description : In a patient of bronchial asthma, inhaled salbutamol produces the following effect(s): A. Inhibits antigen-antibody reaction in the lungs B. Causes bronchodilatation C. Reduces bronchial hyperreactivity D. Both ‘B’ and ‘C’ are correct

Last Answer : B. Causes bronchodilatation

Choose the wrong statement (a) Temperature of medium being cooled must be below that of the evaporator (b) Refrigerant leaves the condenser as liquid (c) All solar thermally operated absorption systems are capable only of intermittent operation (d) frost on evaporator reduces heat transfer

Description : Choose the wrong statement (a) Temperature of medium being cooled must be below that of the evaporator (b) Refrigerant leaves the condenser as liquid (c) All solar thermally operated absorption systems are capable only of intermittent operation (d) frost on evaporator reduces heat transfer

Last Answer : Ans: a

How many of the following liberate `O_(2)` on heating in a dry test tube ? `CaO, Fe_(2)O_(3), Fe_(3)O_(4), FeO, Cr_(2)O_(3), XeF_(4), Al_(2)O_(3), MgO

Description : How many of the following liberate `O_(2)` on heating in a dry test tube ? `CaO, Fe_(2)O_(3), Fe_(3)O_(4), FeO, Cr_(2)O_(3), XeF_(4), Al_(2)O_(3), MgO

Last Answer : How many of the following liberate `O_(2)` on heating in a dry test tube ? `CaO, Fe_(2)O_(3), Fe_(3)O_(4), ... 3), XeF_(4), Al_(2)O_(3), MgO, Na_(2)O`

In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its

Description : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its

Last Answer : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its A. ... wt. B. Mol.wt./8 C. Mol.wt./6 D. None of these

When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Description : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Last Answer : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present ... a basic flux D. CaO, which is a basic flux

__________ is used as a catalyst in fat splitting. (A) ZnO (B) Ni (C) V2O5 (D) FeO

Description : __________ is used as a catalyst in fat splitting. (A) ZnO (B) Ni (C) V2O5 (D) FeO

Last Answer : (A) ZnO

Prussian blue is chemically represented by (A) FeO.TiO2 (B) Ca SO4 . 2H2O (C) Fe4 [Fe (CN6 )3 ] (D) AlF3 . 3NaF

Description : Prussian blue is chemically represented by (A) FeO.TiO2 (B) Ca SO4 . 2H2O (C) Fe4 [Fe (CN6 )3 ] (D) AlF3 . 3NaF

Last Answer : (C) Fe4 [Fe (CN6 )3 ]

Ganister contains maximum percentage of (A) FeO (B) SiO2 (C) MgO

Description : Ganister contains maximum percentage of (A) FeO (B) SiO2 (C) MgO

Last Answer : (B) SiO2

or efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be (A) 100% indirect reduction (B) 100% direct reduction (C) 50-60% indirect reduction (D) 30-40% indirect reduction

Description : or efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be (A) 100% indirect reduction (B) 100% direct reduction (C) 50-60% indirect reduction (D) 30-40% indirect reduction

Last Answer : (C) 50-60% indirect reduction

or efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be (A) 100% indirect reduction (B) 100% direct reduction (C) 50-60% indirect reduction (D) 30-40% indirect reduction

Description : or efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be (A) 100% indirect reduction (B) 100% direct reduction (C) 50-60% indirect reduction (D) 30-40% indirect reduction

Last Answer : (C) 50-60% indirect reduction

Which of the following is an acidic constituent of B.F. slag? (A) SiO2 (B) FeO (C) MgO (D) CaO

Description : Which of the following is an acidic constituent of B.F. slag? (A) SiO2 (B) FeO (C) MgO (D) CaO

Last Answer : Option A

9. Which of the following is an acidic constituent of B.F. slag? (A) SiO2 (B) FeO (C) MgO

Description : 9. Which of the following is an acidic constituent of B.F. slag? (A) SiO2 (B) FeO (C) MgO

Last Answer : Option A

In a patient of bronchial asthma, inhaled salbutamol produces the following effect(s). (a) Inhibits antigen-antibody reaction in the lungs (b) Causes bronchodilatation (c) Reduces bronchial hyperreactivity (d) Both (b) and (c)

Description : In a patient of bronchial asthma, inhaled salbutamol produces the following effect(s). (a) Inhibits antigen-antibody reaction in the lungs (b) Causes bronchodilatation (c) Reduces bronchial hyperreactivity (d) Both (b) and (c)

Last Answer : Ans: B

Digoxin produces the following effect(s) in atrial flutter: A. Reduces ventricular rate B. Prevents shift of A-V block to a lower grade C. Converts atrial flutter to atrial fibrillation D. All of the above

Description : Digoxin produces the following effect(s) in atrial flutter: A. Reduces ventricular rate B. Prevents shift of A-V block to a lower grade C. Converts atrial flutter to atrial fibrillation D. All of the above

Last Answer : D. All of the above

Use of glycopyrrolate in preanaesthetic medication serves the following purposes except: A. Prevents respiratory secretions during anaesthesia B. Guards against reflex vagal bradycardia during surgery C. Produces amnesia for perioperative events D. Reduces the probability of occurrence of laryngospasm

Description : Use of glycopyrrolate in preanaesthetic medication serves the following purposes except: A. Prevents respiratory secretions during anaesthesia B. Guards against reflex vagal bradycardia during ... Produces amnesia for perioperative events D. Reduces the probability of occurrence of laryngospasm

Last Answer : C. Produces amnesia for perioperative events

Which of the following is true of acarbose: A. It reduces absorption of glucose from intestines B. It produces hypoglycaemia in normal as well as diabetic subjects C. It limits postprandial hyperglycaemia in diabetics D. It raises circulating insulin levels

Description : Which of the following is true of acarbose: A. It reduces absorption of glucose from intestines B. It produces hypoglycaemia in normal as well as diabetic subjects C. It limits postprandial hyperglycaemia in diabetics D. It raises circulating insulin levels

Last Answer : C. It limits postprandial hyperglycaemia in diabetics

Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2 .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the (A) Higher condensing film co-efficient is desired (B) Condensate is corrosive in nature (C) Lower pressure drop through the exchanger is desired (D) Temperature of the incoming vapor is very high Answer: Option B

Description : Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2 .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat ... drop through the exchanger is desired (D) Temperature of the incoming vapor is very high

Last Answer : (B) Supersaturated

Choose the correct statement about lactulose: A. It stimulates myenteric neurones to enhance gut peristalsis B. Administered orally it acts as a purgative within 2-4 hours C. It is an osmotic laxative that produces soft but formed stools D. All of the above are correct

Description : Choose the correct statement about lactulose: A. It stimulates myenteric neurones to enhance gut peristalsis B. Administered orally it acts as a purgative within 2-4 hours C. It is an osmotic laxative that produces soft but formed stools D. All of the above are correct

Last Answer : C. It is an osmotic laxative that produces soft but formed stools

Choose the correct statement about moclobemide: A. It is a reversible inhibitor of MAO-A with short duration of action B. Patients taking it need to be cautioned not to consume tyramine rich food C. It is contraindicated in elderly patients D. It produces anticholinergic side effect

Description : Choose the correct statement about moclobemide: A. It is a reversible inhibitor of MAO-A with short duration of action B. Patients taking it need to be cautioned not to consume tyramine rich food C. It is contraindicated in elderly patients D. It produces anticholinergic side effect

Last Answer : A. It is a reversible inhibitor of MAO-A with short duration of action

Choose the correct statement(s) about ipratropium bromide: A. It preferentially dilates peripheral bronchioles B. It produces additional bronchodilatation when added to nebulized salbutamol C. As metered dose inhaler it is used for terminating asthma attacks D. Both 'B' and 'C'

Description : Choose the correct statement(s) about ipratropium bromide: A. It preferentially dilates peripheral bronchioles B. It produces additional bronchodilatation when added to nebulized salbutamol C. As metered dose inhaler it is used for terminating asthma attacks D. Both 'B' and 'C'

Last Answer : B. It produces additional bronchodilatation when added to nebulized salbutamol

Choose the correct statement about aspirin: A. In an afebrile patient acute overdose of aspirin produces hypothermia B. Aspirin suppresses flushing attending large dose of nicotinic acid C. Aspirin therapy prevents granulomatous lesions and cardiac complications of acute rheumatic fever D. Long term aspirin therapy increases the risk of developing colon cancer

Description : Choose the correct statement about aspirin: A. In an afebrile patient acute overdose of aspirin produces hypothermia B. Aspirin suppresses flushing attending large dose of nicotinic acid C. Aspirin ... acute rheumatic fever D. Long term aspirin therapy increases the risk of developing colon cancer

Last Answer : B. Aspirin suppresses flushing attending large dose of nicotinic acid

Choose the correct option. Globalization, by connecting countries, shall result in -SST 10th

Description : Choose the correct option. Globalization, by connecting countries, shall result in -SST 10th

Last Answer : B - Greater competition among producers. As the producers, from all over the world are competing in similar market arena, this has induced greater competition among them.

Choose the correct option. The relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)} on a set A = {1, 2, 3} is -Maths 9th

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Last Answer : R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)} on set A = {1, 2, 3}. (i) Since (1, 1), (2, 2), (3, 3) ∈ R ⇒ R is reflexive. (ii) (1, 2) ∈ R but (2, 1) ∉ R ⇒ R is not symmetric. (iii) (1, 2) ∈ R, (2, 3) ∈ R and (1, 3) ∈R ⇒ R is transitive. ∴ Option (a) is the right answer.

Match the column -I with column -II and choose the correct option :

Description : Match the column -I with column -II and choose the correct option :

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Match the column-I with Column-II Choose the correct option :

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Last Answer : Match the column-I with Column-II Choose the correct option : A. A-ii,B-iii,C-v,D-iv,E-i B. A-ii,B-v,C-iii, ... ,D-iv,E-ii D. A-i,B-v,C-iii,D-iv,E-ii

Identify A,B,C and D and choose correct option regardin their nmber in complete jaw `:-`

Description : Identify A,B,C and D and choose correct option regardin their nmber in complete jaw `:-`

Last Answer : Identify A,B,C and D and choose correct option regardin their nmber in complete jaw `:-`

Choose the correct option regarding energy of empty orbitals. `{:(,n,l,m,s),((I),4,0,0,+(1)/(2)),((III),3,1,1,+(1)/(2)):}` ` {:(,n,l,m,s),((II),3,2,0,

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Last Answer : Choose the correct option regarding energy of empty orbitals. `{:(,n,l,m,s),((I),4,0,0,+(1)/(2)),((III),3, ... . `II lt I` C. `II lt III` D. `I = III`

Read the following statements and choose the correct rect option. (A) Only a point source forms a complete umbra. (B) An extended source of light form

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Last Answer : Read the following statements and choose the correct rect option. (A) Only a point source forms a complete ... B are true D. Both A and B are false

Read the following statements and choose the correct option. (A) Planets are not luminous bodies. (B) The sun is the nearest star to us from which the

Description : Read the following statements and choose the correct option. (A) Planets are not luminous bodies. (B) The sun is the nearest star to us from which the

Last Answer : Read the following statements and choose the correct option. (A) Planets are not luminous bodies. (B) The sun ... B are true D. Both A and B are false

Choose the correct option from parts labelled a-f

Description : Choose the correct option from parts labelled a-f

Last Answer : Choose the correct option from parts labelled a-f A. b-Graafian follicle, f-corpus luteum B. c ... antrum D. e-corpus callosum, d-antrum cavity.

Choose the correct option

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Last Answer : Choose the correct option A. B. C. D.

Choose the correct option

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In the given diagram identify A , B , C and D . Respectively and choose the correct option out of 1,2,3, and 4 .

Description : In the given diagram identify A , B , C and D . Respectively and choose the correct option out of 1,2,3, and 4 .

Last Answer : In the given diagram identify A , B , C and D . Respectively and choose the correct option out of ... "Fertilization" , "Implantation" , "Uterus"):}`

Complete the given equation and choose the correct option accordingly

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Choose the correct option the code regarding roasting process. (I) It is the process of heating the ore in air in a reverberatory furnace to obtain th

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Read the facts regarding the Revolution of the Liberals in Europe during 1848 and choose the correct option: 1. Abdication of the monarch

Description : Read the facts regarding the Revolution of the Liberals in Europe during 1848 and choose the correct option: 1. Abdication of the monarch

Last Answer : Read the facts regarding the Revolution of the Liberals in Europe during 1848 and choose the correct option: 1. ... (d) Only 1, 2 and 4 are correct.

Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, Mesosphere, Stratosphere (3) Mesosphere, Ionosphere. Eco-sphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere

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Last Answer : (4) Troposphare, Ionosphere, Ecosphere Explanation: From top to bottom, the Earth's atmosphere is divided into five main layers, the exosphere, the thermosphere, the mesosphere, the stratosphere and the troposphere. ... km Mesosphere: 50 to 80 km Stratosphere: 12 to 50 km Troposphere: 0 to 12 km

Study the following table and choose the correct option: Salt - Parent Acid - Parent Base - Nature of Salt (a) Soidum Chloride - HCI - NaOH - Basic (b) Sodium Carbonate - H2CO3 - NaOH - Neutral (c) Sodium Sulphate - H2SO4 - NaOH - Acidic (d) Sodium Acetate - CH3COOH - NaOH - Basic

Description : Study the following table and choose the correct option: Salt - Parent Acid - Parent Base - Nature of Salt (a) Soidum Chloride - HCI - NaOH - Basic (b) Sodium Carbonate - H2CO3 - NaOH - Neutral (c) Sodium Sulphate - H2SO4 - NaOH - Acidic (d) Sodium Acetate - CH3COOH - NaOH - Basic

Last Answer : Answer: (d) Sodium Acetate - CH3COOH - NaOH - Basic

Choose the correct option according to given below statement. Statement 1: Umbrella activities are independent of any one framework activity and occur throughout the process. Statement 2: quality assurance, configuration management are umbrella activity. Statement 3: quality assurance, configuration management are not umbrella activity. a. Only statement 1 is correct. b. Statement 1 and statement 2 are correct. c. Only statement 3 is correct. d. Statement 1 and statement 3 are correct

Description : Choose the correct option according to given below  statement. Statement 1: Umbrella activities are independent of any one framework activity and occur throughout the process. Statement 2: quality assurance, ... . c. Only statement 3 is correct. d. Statement 1 and statement 3 are correct

Last Answer : b. Statement 1 and statement 2 are correct.