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BITSAT Mock 4
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Question 1
Within the list shown below, the correct pair of structures of alanine in pH range 2-4 and 9-11 is
I. H3N+–CH–(CH3)–COOH
II. H2N–CH–(CH3)–COO–
III. H3N+–CH–(CH3)–COO–
IV. H2N+–CH–(CH3)–COOH
I. H3N+–CH–(CH3)–COOH
II. H2N–CH–(CH3)–COO–
III. H3N+–CH–(CH3)–COO–
IV. H2N+–CH–(CH3)–COOH
Question 2
The decreasing order of basic character of K2O, BaO, CaO and MgO is
Question 3
Among Be, B, Mg and AI the second ionization potential is maximum for
Question 4
The number of lone pairs of electrons on the central atoms of H2O, SnCI2, PCI3 and XeF2 respectively are
Question 5
Two particles of mass m1 and m2, approach each other due to their mutual gravitational attraction only. Then
Question 6
A satellite has kinetic energy K, potential energy V and total energy E. Which of the following statements is true?
Question 7
The length of a metal wire is L1 when the tension is T1 and L2 when the tension is T2. The unscratched length of the wire is
Question 8
A 20 cm long capillary tube is dipped vertically in water and the liquid rises upto 10 cm. If the entire system is kept in a freely falling platform, the length of water column in the tube will be
Question 9
The value of +is
Question 10
Find the maximum value of |z| when =2, z being a complex number.
Question 11
If α, β are the roots of x2 – px + 1 = 0 and γ is a root of x2 + px + 1 = 0, then (α + γ) (β + γ) is
Question 12
The quadratic expression (2x + 1)2 – px + q ≠ 0 for any real x if
Question 13
Given that x is a real number satisfying
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Dec 1JEE & BITSAT