A goods train leaves a station at a certain time and at a fixed speed. After 8 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 120 kmph, this train catches up the goods train in 7 hours. Find the speed of the goods train.

TLS Online TPP Program

#Question id: 10259

#Unit 1. Structure and Function of Biomolecules

Which molecule has the largest dipole moment?

TLS Online TPP Program

#Question id: 10260

#Unit 1. Structure and Function of Biomolecules

Arrange F, C, O, N in the decreasing order of electronegativity

TLS Online TPP Program

#Question id: 10261

#Unit 1. Structure and Function of Biomolecules

What is the enthalpy change for the given reaction?

CH3CH3 + Cl2 → CH3CH2Cl + HCl

Given the enthalpies

Bonds	Bond Enthalpy (kJ mol⁻¹)
C-H	413
Cl-Cl	239
C-C	347
C-Cl	339
H-Cl	427

TLS Online TPP Program

#Question id: 10262

#Unit 1. Structure and Function of Biomolecules

Linus Pauling has given electronegativity as

TLS Online TPP Program

#Question id: 10263

#Unit 8. Inheritance Biology

During cell division, sometimes there will be failure of separation of sister chromatids. This event is called

TLS Online TPP Program

#Question id: 10264

#Unit 8. Inheritance Biology

Chiasmata formation occurs during