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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.
| 4601. |
Which of the following is an element? |
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Answer» Which of the following is an element? |
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| 4602. |
Write the absolute charge, absolute mass and specific charge ofProtonElectronNeutron |
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Answer» Write the absolute charge, absolute mass and specific charge of Proton Electron Neutron |
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| 4603. |
What is alloyre exactly not getting it Please give it try in simple words |
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Answer» What is alloyre exactly not getting it Please give it try in simple words |
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| 4604. |
12 gram magnesium react with dilute mineral acid to produce maximum hydrogen equal to1. 0.5 mol2. 1.5 mol3. 1.5 gram4. 0.5 gram |
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Answer» 12 gram magnesium react with dilute mineral acid to produce maximum hydrogen equal to 1. 0.5 mol 2. 1.5 mol 3. 1.5 gram 4. 0.5 gram |
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| 4605. |
How -I group increases the acidic strength,explain |
| Answer» How -I group increases the acidic strength,explain | |
| 4606. |
Generally isotopes of an element have similar ___________________ properties but different _______________ properties. The options in the blanks respectively are: |
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Answer» Generally isotopes of an element have similar ___________________ properties but different _______________ properties. The options in the blanks respectively are: |
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| 4607. |
What is the difference between1. Element and Compound.2. Compound and Mixture. |
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Answer» What is the difference between 1. Element and Compound. 2. Compound and Mixture. |
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| 4608. |
Loss of electrons is called ______. |
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Answer» Loss of electrons is called ______. |
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| 4609. |
80 ml of a solution contains 20 g of solute. What is the concentration of this solution in terms of mass by volume percentage of the solution?25 |
Answer» 80 ml of a solution contains 20 g of solute. What is the concentration of this solution in terms of mass by volume percentage of the solution?
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| 4610. |
Graphite is a soft lubricant extremely which is difficult to melt. What is the reason for this anomalous behaviour? |
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Answer» Graphite is a soft lubricant extremely which is difficult to melt. What is the reason for this anomalous behaviour? |
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| 4611. |
Which of the following aqueous solution has minimum freezing point?[1 mark] |
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Answer» Which of the following aqueous solution has minimum freezing point? |
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| 4612. |
Question 35Iron fillings and sulphur were mixed together and divided into two parts, 'A' and 'B'. Part 'A' was heated strongly while part 'B' was not heated. Dilute hydrochloric acid was added to both the parts and evolution of gas were seen in both the cases. How will you identify the gases evolved? |
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Answer» Question 35 |
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| 4613. |
What are slow and fast changes? Give examples. |
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Answer» What are slow and fast changes? Give examples. |
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| 4614. |
which of the following is most acidic and reason A)methoxy acetic acid B)acetic acid C)chloro acetic acid D)trifluoroacetic acid |
| Answer» which of the following is most acidic and reason A)methoxy acetic acid B)acetic acid C)chloro acetic acid D)trifluoroacetic acid | |
| 4615. |
82, The standard e.m.f. of a galvanic cell involving cellreaction with n 2 is found to be 0.295 V at 25^° C.The equilibrium constant of the reaction would be(Given F= 96500 C mol-1, R 8.314 J K-1 mol1)(1) 2.0 x 1011(2) 4.0 x 1012(3) 1.0 x 102(4) 1.0 x 1010 |
| Answer» 82, The standard e.m.f. of a galvanic cell involving cellreaction with n 2 is found to be 0.295 V at 25^° C.The equilibrium constant of the reaction would be(Given F= 96500 C mol-1, R 8.314 J K-1 mol1)(1) 2.0 x 1011(2) 4.0 x 1012(3) 1.0 x 102(4) 1.0 x 1010 | |
| 4616. |
What is the definition of apparent weight ? |
| Answer» What is the definition of apparent weight ? | |
| 4617. |
Air under pressure is blown into the filtered water, this is the method used for purification of water. This process is called as ____________. |
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Answer» Air under pressure is blown into the filtered water, this is the method used for purification of water. This process is called as ____________. |
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| 4618. |
What happens when sodium reacts with water? |
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Answer» What happens when sodium reacts with water? |
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| 4619. |
What is the trapping of the sun's solar energy and radiation called? |
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Answer» What is the trapping of the sun's solar energy and radiation called? |
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| 4620. |
20 ml of a sample of H2O2 gives 400 ml of oxygen atNTP. The volume strength of sample is(1) 5 vol(3) 20 vol (2) 10 vol(4) 30 vol |
| Answer» 20 ml of a sample of H2O2 gives 400 ml of oxygen atNTP. The volume strength of sample is(1) 5 vol(3) 20 vol (2) 10 vol(4) 30 vol | |
| 4621. |
For two reactions in equilibrium in same container() A(s)2B (g) + C(g); (K,), = 27 atm3(ii)D(s)2B(g) +E(g); (Kp)= 81 atm3Pressure of B(g) at equilibrium will be(1) 6 atm(2)3 atm(3) 5 atm(4) 9 atm |
| Answer» For two reactions in equilibrium in same container() A(s)2B (g) + C(g); (K,), = 27 atm3(ii)D(s)2B(g) +E(g); (Kp)= 81 atm3Pressure of B(g) at equilibrium will be(1) 6 atm(2)3 atm(3) 5 atm(4) 9 atm | |
| 4622. |
Is there a short cut method to find hybridization by knowing the oxidation number? |
| Answer» Is there a short cut method to find hybridization by knowing the oxidation number? | |
| 4623. |
What is a displacement reaction? Give one example. |
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Answer» What is a displacement reaction? Give one example. |
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| 4624. |
if for gas [ideal] if the pressure is increased by 10% then how much should volume change at constant temp |
| Answer» if for gas [ideal] if the pressure is increased by 10% then how much should volume change at constant temp | |
| 4625. |
One of the following metals forms a volatile carbonyl compound and this property is taken advantage for its extraction. This metal is |
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Answer» One of the following metals forms a volatile carbonyl compound and this property is taken advantage for its extraction. This metal is |
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| 4626. |
If threshold wavelength ( ^°) for ejection of electron from metal is 330 nm, then work function for the photoelectric emission is? |
| Answer» If threshold wavelength ( ^°) for ejection of electron from metal is 330 nm, then work function for the photoelectric emission is? | |
| 4627. |
State the type of changes taking place in the following examples.(i) Combustion of wood(ii) Melting of ice.(iii) Cooking of food.(iv) Rusting of iron.(v) Ripening of fruits.(vi) Tearing of papers |
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Answer» State the type of changes taking place in the following examples. (i) Combustion of wood (ii) Melting of ice. (iii) Cooking of food. (iv) Rusting of iron. (v) Ripening of fruits. (vi) Tearing of papers |
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| 4628. |
In nature, metals are mostly found as compounds called ______ . |
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Answer» In nature, metals are mostly found as compounds called ______ . |
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| 4629. |
Chlorine has two isotopes, 3517Cl and 3717Cl. Calculate the average atomic mass of chlorine atom (in a.m.u.) based on the given information.S.NoIsotopesPercentage abundance (%)13517Cl7523717Cl25 35.5 |
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Answer» Chlorine has two isotopes, 3517Cl and 3717Cl. Calculate the average atomic mass of chlorine atom (in a.m.u.) based on the given information. S.NoIsotopesPercentage abundance (%)13517Cl7523717Cl25
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| 4630. |
What is the dimensional formula of epsilon not?? |
| Answer» What is the dimensional formula of epsilon not?? | |
| 4631. |
A solution of 10ml of M/10 FeSO4 was titrated with KMnO4 solution in acidic medium , the amount of KMnO4 used will be a} 5ml of 0.1M b} 10ml of 0.1M c} 10ml of 0.5M d} 10ml of 0.02M |
| Answer» A solution of 10ml of M/10 FeSO4 was titrated with KMnO4 solution in acidic medium , the amount of KMnO4 used will be a} 5ml of 0.1M b} 10ml of 0.1M c} 10ml of 0.5M d} 10ml of 0.02M | |
| 4632. |
What is the number of oxygen atoms present in 5 moles of sulphuric acid (H2SO4)? |
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Answer» What is the number of oxygen atoms present in 5 moles of sulphuric acid (H2SO4)? |
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| 4633. |
The conductivity of strong electrolyte is [CPMT 2003] |
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Answer» The conductivity of strong electrolyte is [CPMT 2003]
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| 4634. |
45 Which of the following has the largest number of atoms(Cu=63.5u) 1. 0.5g atoms of Cu 2. 0.635 g of Cu 3.0.25 moles of Cu atoms 4. 1g of Cu |
| Answer» 45 Which of the following has the largest number of atoms(Cu=63.5u) 1. 0.5g atoms of Cu 2. 0.635 g of Cu 3.0.25 moles of Cu atoms 4. 1g of Cu | |
| 4635. |
2.5 moles of NH3MOLICULES ARE CONTAINED IN A VESSEL HOE MANY NH3 MOLICULES ARE THERE IN IT |
| Answer» 2.5 moles of NH3MOLICULES ARE CONTAINED IN A VESSEL HOE MANY NH3 MOLICULES ARE THERE IN IT | |
| 4636. |
Identify the least reactive element from the following. |
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Answer» Identify the least reactive element from the following. |
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| 4637. |
When a bowl of an ice-cream is exposed to sun rays, it will _______. |
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Answer» When a bowl of an ice-cream is exposed to sun rays, it will _______. |
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| 4638. |
Hello,cell is a atom the where are there electron , proton and neutron present. what is the valency. |
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Answer» Hello, cell is a atom the where are there electron , proton and neutron present. what is the valency. |
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| 4639. |
53 : In a 1st order rxn 75% of the reactant disappeared in 1.386hour . calculate the rate constant of the reaction? |
| Answer» 53 : In a 1st order rxn 75% of the reactant disappeared in 1.386hour . calculate the rate constant of the reaction? | |
| 4640. |
Mention all formulas from the lesson- Some basic concepts of chemistry. |
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Answer» Mention all formulas from the lesson- Some basic concepts of chemistry. |
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| 4641. |
48.why 2nd period elements are small in size? |
| Answer» 48.why 2nd period elements are small in size? | |
| 4642. |
70. Which has highest value for Henry 's constant in water A)H2 at 298K B)N2 at 298K C) O2 at 298K D) O2 at 293 |
| Answer» 70. Which has highest value for Henry 's constant in water A)H2 at 298K B)N2 at 298K C) O2 at 298K D) O2 at 293 | |
| 4643. |
Question 9 3.42 g of sucrose are dissolved in 18g of water in a beaker. The number of oxygen atoms in the solution are (a) 6.68×1023 (b) 6.09×1022 (c) 6.022×1023 (d) 6.022×1021 |
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Answer» Question 9 |
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| 4644. |
Which of the following are examples of rechargeable batteries? |
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Answer» Which of the following are examples of rechargeable batteries? |
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| 4645. |
for the two solvents kf is 2 and 8 respectively , which one will be preferred in a depression of freezing point method and why ? |
| Answer» for the two solvents kf is 2 and 8 respectively , which one will be preferred in a depression of freezing point method and why ? | |
| 4646. |
What is meant by isotropy? |
| Answer» What is meant by isotropy? | |
| 4647. |
All of the following are responsible for water __________. |
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Answer» All of the following are responsible for water __________. |
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| 4648. |
Question 5Which of the following would weigh the highest?(a) 0.2 mole of sucrose (C12H22O11)(b) 2 moles of CO2(c) 2 moles of CaCO3(d) 10 moles of H2O |
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Answer» Question 5 Which of the following would weigh the highest? (a) 0.2 mole of sucrose (C12H22O11) (b) 2 moles of CO2 (c) 2 moles of CaCO3 (d) 10 moles of H2O |
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| 4649. |
Write symbols of the following elements and the radicals obtained from them and indicate the charge on the radicals.Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen |
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Answer» Write symbols of the following elements and the radicals obtained from them and indicate the charge on the radicals. Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen |
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| 4650. |
Question 5 (c) Give the names of the elements present in the following compounds: (c) Baking powder |
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Answer» Question 5 (c) Give the names of the elements present in the following compounds: (c) Baking powder |
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