- (A) whole amount of reactant does not change into product
- (B) chemical equilibrium is established
- (C) a catalyst changes the direction of reaction
- (D) rate of forward reaction decreases as reaction proceeds
Chemistry Mcqs
- (A) VSEPR
- (B) VBT
- (C) MOT
- (D) none of the above
- (A) Be+2H2O?Be (OH)2+H2
- (B) Be+H2O?Be (OH)2+H2
- (C) Be+H2O?[Be (OH)4]+2+H2
- (D) no reaction
- (A) copper
- (B) ice
- (C) diamond
- (D) graphite
- (A) sodium
- (B) diamond
- (C) graphite
- (D) magnesium
- (A) Teflon
- (B) asbestos
- (C) saran
- (D) acrylic
- (A) Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin.
- (B) The electrons in the same atom cannot have the same four quantum numbers
- (C) There is maximum of two electrons is an orbital.
- (D) None
- (A) 1
- (B) 2
- (C) 3
- (D) 4
- (A) n2a/v correct for the intermolecular forces.
- (B) nb correct for the volume occupied by gas molecules.
- (C) at high densities the equation reduces to the ideal gas law
- (D) all of the above statements are correct.
- (A) Quantum structure
- (B) Secondary structure
- (C) Tertiary structure
- (D) Primary structure
