NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 351 - 357 of 1195

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Question number: 351

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Which of the following statement is not correct regarding the properties of water?

Choices

Choice (4) Response

a.

Hydrogen bonding is present

b.

Soft water lathers with soap but not hard water

c.

Temporary hard water did not change on boiling

d.

Question does not provide sufficient data or is vague

Question number: 352

» Hydrogen » Isotopes

MCQ▾

Question

Which one of the following the correct order of enthalpy of vaporization?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 353

» States of Matter » Gaseous State » Concept of Average, Root Mean Square and Most Probable Velocities

MCQ▾

Question

At what temperature is the average velocity of O2 molecule equal to the root mean square velocity at 27℃?

Choices

Choice (4) Response

a.

80.57℃

b.

98.4℃

c.

68℃

d.

76.75℃

Question number: 354

» States of Matter » Gaseous State » Measurable Properties of Gases

MCQ▾

Question

Pressure of one atmosphere is equal to how many torr?

Choices

Choice (4) Response

a.

76 torr

b.

760 torr

c.

7.6 torr

d.

0.76 torr

Question number: 355

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

A sample of a gas at −730C and 2 atmospheres is heated to 1230C and the pressure is reduced to 0.5 atmospheres. What will be the final volume?

Choices

Choice (4) Response

a.

6500 ml

b.

7500 ml

c.

5000 ml

d.

8000 ml

Question number: 356

» States of Matter » Gaseous State » Van Der Waals Equation

MCQ▾

Question

Find the temperature at which 3 moles of SO2 will occupy a volume of 10 litre at a pressure of 15 atm?

Choices

Choice (4) Response

a.

542 K

b.

346 K

c.

452 K

d.

624 K

Question number: 357

» Hydrocarbons » Alkanes » Chemical Properties

MCQ▾

Question

How much volume of air will be needed for complete combustion of 10 liter of ethane?

Choices

Choice (4) Response

a.

175 lit.

b.

35 lit.

c.

135 lit.

d.

205 lit.

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