MCQ Bank
At higher temperature, rate of a reaction increased due _______
- A) Change in mechanism
- B) Formation of product
- C) More chemical energy
- D) More Kinetic Energy
The arrangement of the molecules in the cell depends on _________ property of the molecule
- A) Structure
- B) Electronegativity
- C) Polarity
- D) Electropositivitiy
Mercury colloid act as an anti_______.
- A) syphilis
- B) cancer
- C) none of these
- D) fungal
Which of the below statement is correct about molecular dispersion
- A) Cannot pass through semipermeable membrane
- B) Particles do not settle down on standing
- C) Particles are visible through electron microscope
- D) Undergo rapid precipitation
The molecules which have both hydrophilic and hydrophobic ends are called ____________molecules
- A) Amphipathic
- B) bipolar
- C) amphoteric
- D) amphipolar
For__________ the reaction rate is independent of the concentration of a reactant
- A) first-order reactions
- B) zero-order reactions
- C) third order reaction
- D) second-order reactions
Strength of vander waal forces in a molecule is determined by _____ property
- A) Viscosity
- B) Surface Area
- C) Surface tension
- D) Structure
Fick's first law is used to describe the ________?
- A) condensation
- B) crystallization
- C) colloidal formation
- D) Diffusion
Activation energy barrier is actually the gap between ------------- and -----------------
- A) Activation energy
- B) Reaction mixture
- C) Reactant, Activated complex
- D) Reactant, Product
Which one the following molecule has no net dipole
- A) NaCl
- B) H2O
- C) CH4
- D) CH3
The _______________of a reaction refers to the number of reactant particles involved in the reaction.
- A) rate law
- B) Molecularity
- C) rate
- D) order
________is a measure of the tendency of polymers to revert to their monomers.
- A) Ceiling temperature
- B) Donnen effect
- C) Tyndal’s effect
- D) Activation energy
The head group of carboxylic acid (-COOH) is ________in nature
- A) amphipathic
- B) Non polar
- C) bipolar
- D) Polar
Epoxy is a_____________?
- A) Thermoplastics
- B) none of these
- C) resin
- D) Thermosets
Hard water contains large content of _________ minerals
- A) Calcium, potassium
- B) Sodium, Potassium
- C) Calcium, Magnesium
- D) Sulpher, Nitrogen
When liquid droplets are dispersed throughout another liquid phase this results in _______?
- A) Aerosol
- B) Emulsion
- C) Gel
- D) Foam
On applying a solution of _____________bleeding stops and blood clotting occurs.
- A) FeCl2
- B) CaCI2
- C) MgSO4
- D) FeCl3
The sedimentation potential also known as_____________.
- A) Gradient potential
- B) electro-osmosis
- C) Donnan effect
- D) Tyndall’s effect