Boiling point increases when intermolecular forces decreases

Redox reaction always involve the transfer of electrons

Hydrogen bonding is stranger than van der waal's forces

X² - 9= ( x - 3)(x +3)

Rhombus has centre of symmetry

X² + 25 = ( x + 5)(x - 5)

Rusting of iron is a physical change

Isosceles trapezium has centre of symmetry

Whale is a mammal

Melting ice is a physical change

If 2x - 5 > X + 3 then x > 8

5, 10, 15, 20 is a geometric sequence

Euglena moves using flagellum

If 3x - 4>= 2x + 1, then x >= 5

1, -2, -4, -8 is a geometric sequence