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InterviewSolution
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.
| 901. |
Question 2The ability of metals to be drawn into thin wire is known as(a) ductility(b) malleability(c) sonorousity(d) conductivity |
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Answer» Question 2 The ability of metals to be drawn into thin wire is known as (a) ductility (b) malleability (c) sonorousity (d) conductivity |
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| 902. |
Equal moles of H2 and O2 gases are placed in a container with pin hole through which both can escape . what fraction of the O2 escape in the time required for one half of the H2 to escape? |
| Answer» Equal moles of H2 and O2 gases are placed in a container with pin hole through which both can escape . what fraction of the O2 escape in the time required for one half of the H2 to escape? | |
| 903. |
Unit cube length LiCl (NaCl structure ) is 5.14 Armstrong . assuming anion anion contact. Calculate ionic radius of Cl - ion |
| Answer» Unit cube length LiCl (NaCl structure ) is 5.14 Armstrong . assuming anion anion contact. Calculate ionic radius of Cl - ion | |
| 904. |
11. If Cu\pm /Cu electrode is diluted 100 times then the change in end is |
| Answer» 11. If Cu\pm /Cu electrode is diluted 100 times then the change in end is | |
| 905. |
Write the formule of the following compounds. Also name the elements present in them. (a) Water (b) Ammonia (c) Methane (d) Sulphur dioxide (e) Ethanol |
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Answer» Write the formule of the following compounds. Also name the elements present in them. (a) Water (b) Ammonia (c) Methane (d) Sulphur dioxide (e) Ethanol |
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| 906. |
Give a brief description of the principles of the following techniques taking an example in each case. Crystallisation Distillation Chromatography |
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Answer» Give a brief description of the principles of the following techniques taking an example in each case. Crystallisation Distillation Chromatography |
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| 907. |
How to separate a mixture of a salt and ammonium chloride |
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Answer» How to separate a mixture of a salt and ammonium chloride |
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| 908. |
3.The pressure of a gas filled in a closed jar increases by 0.2 % whn temp is increased by 2 degree Celsius. Find the initial temp of the gas |
| Answer» 3.The pressure of a gas filled in a closed jar increases by 0.2 % whn temp is increased by 2 degree Celsius. Find the initial temp of the gas | |
| 909. |
Can f- act as strong field ligand and cause pairing of electron in Co(f6)3- ? |
| Answer» Can f- act as strong field ligand and cause pairing of electron in Co(f6)3- ? | |
| 910. |
What happen to the crystals of washing soda when exposed to air? Name the phenomenon exhibited. |
| Answer» What happen to the crystals of washing soda when exposed to air? Name the phenomenon exhibited. | |
| 911. |
if 'rho' is density of water and B is bulk modulus then energy density of water in a lake' h' metre deep is |
| Answer» if 'rho' is density of water and B is bulk modulus then energy density of water in a lake' h' metre deep is | |
| 912. |
radius of bhors orbit of hydrogen atom is |
| Answer» radius of bhors orbit of hydrogen atom is | |
| 913. |
total no. of electrons present in 8 g of oxygen molecule i |
| Answer» total no. of electrons present in 8 g of oxygen molecule i | |
| 914. |
Copy and complete the following table: Name of the product Name of the catalyst Approximate temperature Approximate pressure Haber's Process |
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Answer» Copy and complete the following table:
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| 915. |
How the highly incompressibility of solid and liquid protect them from effect of pressure on their solubility? |
| Answer» How the highly incompressibility of solid and liquid protect them from effect of pressure on their solubility? | |
| 916. |
The noble gas that does not have a closed octet in its outer shell is: |
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Answer» The noble gas that does not have a closed octet in its outer shell is: |
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| 917. |
ntA sample of gasoline contain 81% octane and 19% n-heptane. Its octane number will be :-n nt(1) 19n nt(2) 81n nt(3) 100n nt(4) 62n |
| Answer» ntA sample of gasoline contain 81% octane and 19% n-heptane. Its octane number will be :-n nt(1) 19n nt(2) 81n nt(3) 100n nt(4) 62n | |
| 918. |
9. Oxidation contain electropositive or electronegative? And in which of this(electropositive or electronegative) gain loss of electrons occurs? |
| Answer» 9. Oxidation contain electropositive or electronegative? And in which of this(electropositive or electronegative) gain loss of electrons occurs? | |
| 919. |
(a) How do oxides of nitrogen enter the atmosphere ? (b) What are their harmful effects ? |
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Answer» (a) How do oxides of nitrogen enter the atmosphere ? (b) What are their harmful effects ? |
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| 920. |
Sand is poured on a conveyor belt at the rate of 2kg/s.if belt is moving horizontally with velocity 4m/s. |
| Answer» Sand is poured on a conveyor belt at the rate of 2kg/s.if belt is moving horizontally with velocity 4m/s. | |
| 921. |
Calculate the de-Broglie wavelength of the electron orbiting in the n = 2 stage of hydrogen atom. |
| Answer» Calculate the de-Broglie wavelength of the electron orbiting in the n = 2 stage of hydrogen atom. | |
| 922. |
Explain isotope and isobar with examples and related questions |
| Answer» Explain isotope and isobar with examples and related questions | |
| 923. |
37. Find mole fraction of urea in 11.11 molal aqueous solution |
| Answer» 37. Find mole fraction of urea in 11.11 molal aqueous solution | |
| 924. |
According to Dalton’s Atomic Theory, matter consists of indivisible _______ |
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Answer» According to Dalton’s Atomic Theory, matter consists of indivisible _______ |
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| 925. |
24. Which of the following is most easily hydrolysed? A)ethyl bromide B) methyl bromide C)bromo ethene D)bromo propene |
| Answer» 24. Which of the following is most easily hydrolysed? A)ethyl bromide B) methyl bromide C)bromo ethene D)bromo propene | |
| 926. |
For the reaction NH2COONH4(s) 2NH3(g) + CO2(g). If equilibrium pressure is 3X bar then G^°r will be (1) -RT ln9 -3RT lnX (2) RT ln4 -3RTlnX (3) -3RT lnX (4) None of these |
| Answer» For the reaction NH2COONH4(s) 2NH3(g) + CO2(g). If equilibrium pressure is 3X bar then G^°r will be (1) -RT ln9 -3RT lnX (2) RT ln4 -3RTlnX (3) -3RT lnX (4) None of these | |
| 927. |
Which of the following best matches the characteristics of mixtures? |
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Answer» Which of the following best matches the characteristics of mixtures? |
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| 928. |
In the beaker , first beaker has magnesium ribbon in it Second beaker Has charcoal powder Third beaker have sulphur powder Fourth beaker has aluminium foil With the help of a dropper , a few drops of dilute hydrochloric acid were gently added to each of the given beaker and warmed gently. Which of the he given samples does not produce pop sound on bringing a burning matchstick near the mouth of each the each beaker? |
| Answer» In the beaker , first beaker has magnesium ribbon in it Second beaker Has charcoal powder Third beaker have sulphur powder Fourth beaker has aluminium foil With the help of a dropper , a few drops of dilute hydrochloric acid were gently added to each of the given beaker and warmed gently. Which of the he given samples does not produce pop sound on bringing a burning matchstick near the mouth of each the each beaker? | |
| 929. |
If the maximum kinetic energy of an emitted electron is 4 times the work function of the metal Li, what is the wavelength of the incident radiation?Given: work function of Li=2.5 eV |
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Answer» If the maximum kinetic energy of an emitted electron is 4 times the work function of the metal Li, what is the wavelength of the incident radiation? |
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| 930. |
10. In the metallurgy of iron the reducing agent will be coke or CO. When coke is burned then CO is produced that this CO doea the reduction so what will be considered here |
| Answer» 10. In the metallurgy of iron the reducing agent will be coke or CO. When coke is burned then CO is produced that this CO doea the reduction so what will be considered here | |
| 931. |
Explain how molality is greater than molarity for a given solution (density=1gm/ml) |
| Answer» Explain how molality is greater than molarity for a given solution (density=1gm/ml) | |
| 932. |
Name a technique used to separate sulphur and carbon. |
| Answer» Name a technique used to separate sulphur and carbon. | |
| 933. |
Name 2 natural indicators. |
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Answer» Name 2 natural indicators. |
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| 934. |
Which of the following H-bonds is expected to have the maximum strength? |
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Answer» Which of the following H-bonds is expected to have the maximum strength? |
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| 935. |
Identify the correct Lewis dot structure of O2 molecule. |
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Answer» Identify the correct Lewis dot structure of O2 molecule. |
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| 936. |
Q13. Nexavar is used to treat |
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Answer» Q13. Nexavar is used to treat |
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| 937. |
will 35cl and 37cl have different valencies? Justify your answer |
| Answer» will 35cl and 37cl have different valencies? Justify your answer | |
| 938. |
Upto which element, the law of octaves was found to be applicable? |
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Answer» Upto which element, the law of octaves was found to be applicable? |
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| 939. |
Write the word equation involved in the displacement reaction of copper sulphate and zinc. |
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Answer» Write the word equation involved in the displacement reaction of copper sulphate and zinc. |
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| 940. |
Question 20.2 Write the balanced chemical equation for the following reaction and identify the type of reaction. Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride. |
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Answer» Question 20.2 Write the balanced chemical equation for the following reaction and identify the type of reaction. Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride. |
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| 941. |
Consider the following two situations, in which case the level of water will be higher? Situation 1: Water in a beaker. Situation 2: Sponge in the water beaker. |
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Answer» Consider the following two situations, in which case the level of water will be higher? Situation 1: Water in a beaker. Situation 2: Sponge in the water beaker. |
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| 942. |
The overall reaction of a hydrogen-oxygen fuel cell is: |
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Answer» The overall reaction of a hydrogen-oxygen fuel cell is: |
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| 943. |
what are amphotoric oxides? |
| Answer» what are amphotoric oxides? | |
| 944. |
The first ionization potentials in eV of N and O respectively are |
| Answer» The first ionization potentials in eV of N and O respectively are | |
| 945. |
Limitations of laws of chemical combination ?? |
| Answer» Limitations of laws of chemical combination ?? | |
| 946. |
How is a suspension different from a colloid? |
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Answer» How is a suspension different from a colloid? |
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| 947. |
Explain formula and application of isotope |
| Answer» Explain formula and application of isotope | |
| 948. |
Suppose a pure Si crystal 5×10^{28}atoms per m^3. It is doped by 1ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n_i=1.5×10^{16}per m^3 |
| Answer» Suppose a pure Si crystal 5×10^{28}atoms per m^3. It is doped by 1ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n_i=1.5×10^{16}per m^3 | |
| 949. |
Fill in the blank with a verb in the correct tense. Direct Brenda said, “Will you kindly look into the matter?” Indirect Brenda asked her if she _____ kindly look into the matter. |
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Answer» Fill in the blank with a verb in the correct tense. Direct Brenda said, “Will you kindly look into the matter?” Indirect Brenda asked her if she _____ kindly look into the matter. |
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| 950. |
on which bases should we see redox according to oxidation number or oxidation is loss of eletron and reduction is gain of electron |
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Answer» on which bases should we see redox according to oxidation number or oxidation is loss of eletron and reduction is gain of electron |
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