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# JEE Main Preparation Online Mock Test

 Test Name JEE Main Mock Test Subject Mock Test Test Type MCQs Total Question 60 Total Marks 120 Total Time 40 Minutes Test Help For AIEEE Test. JEE Main Test General Knowledge. Engineering Admission. Architecture Courses. NITs Admissions. IIITs Admissions. Engineering Entry Test. CBSE Board

JEE Main is Joint Entrance Examination one of top level CBSE Board Engineering Entrance Exam of India. The candidates who passed can get admissions in B.Tech, B.E, B.Arch courses in NITs, IIITs and other engineering institutions through JEE Mains, though IITs offer admission to these courses through JEE Advanced examination. Candidates who qualify JEE Main Exam will be considered eligible to appear in JEE Advanced examination.

You can prepare yourself through take this sample papers mock test online.

## Mock

1. The molecular mass of each N2 and CO is 28. If 0.5 L of N2 at 27°C and 700 mm pressure contains n molecules, the number of molecules in 1.0 L of CO under identical conditions will be?

Question 1 of 15

2. Find the maximum potential difference which may be applied across and X-ray tube with tungsten target without emitting any characteristic K or L X-ray. The energy levels of tungsten atoms are as follows

(K shell—69.5 keV, L shell –11.3 keV, M shell—2.3 keV)

Question 2 of 15

3. A particle is moving along a straight line whose position as a function of time is given by x(t) = (3t² - 6t³ + 6)m. Find the time at which velocity would be maximum, also find this maximum velocity and position of particle at this moment.

Question 3 of 15

4. The equation 16x² - 3y² - 32x+12y - 44=0 represents a hyperbola

Question 4 of 15

5. Statement I: KCl/NaCl/NH4Cl etc cannot be used in the salt bridge of a cell containing silver.

Statement II : A salt bridge contains concentrated solution of an inert electrolyte like KCl, KNO3, K2SO4 etc or solidified solution of such an electrolyte in agar-agar and gelatine.

Question 5 of 15

6. Statement I: Pyrolyze undergoes electroscopic substitution much further than pyridine.

Statement II : Nitrogen in pyrolyze activates the ring and nitrogen in pyridine deactivates the ring.

Question has two statements Statement I (Assertion), Statement II (Reason). Question has four alternative choices. Choose only one correct choices.

Question 6 of 15

7. If x > 1, y > 1, z > 1 are in GP, then 1/1+In x, 1/1+In y, 1/1+In z are in

Question 7 of 15

8. Current through R1 is independent of

Question 8 of 15

9. ƒ(x) = sin [x]/[x],            [x]≠0

0,                      [x]≠0

where [x] denotes the greatest integer less than or equal to x, then limx→0  ƒ(x) equals

Question 9 of 15

10. Statement I : The value of enthalpy of neutralization of a week acid by strong base is numerically less than 57.1 kJ.

Statement II: All OH- ions of strong base are not completely neutralized by H+ ions obtained from acid.

Question has two statements Statement I (Assertion), Statement II (Reason). Question has four alternative choices. Choose only one correct choices.

Question 10 of 15

11. The normal to the curve y= ƒ(x) at the point (3, 4) makes an angle 3 π/4 with the positive x-axis, then ƒ′ (3) is equal to

Question 11 of 15

12. If p : It rains today q : I go to school, r : I shall meet any friends and s : I shall go for a movie, then which of the following is the proportion. If it does not rain or if I do not go to school, then I shall meet my friends and go for a movie.

Question 12 of 15

13. When a metal is to be extracted from its ore and if the gangue associated with the ore is silica, then

Question 13 of 15

14. In the contact process, the impurities of arsenic are removed by

Question 14 of 15

15. Which of the following doesn't cause origin of charge on colloid?

Question 15 of 15

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