MCQ Bank
Water is bent molecule with __________ degree angle
- A) 109
- B) 104.7
- C) 104.3
- D) 101.5
In _____________the movement of the dispersed particles is prevented from moving by semipermeable membrane
- A) dialysis
- B) diffusion
- C) electro-osmosis
- D) osmosis
Water hardness that is caused by _______________is known as temporary
- A) calcium sulfates
- B) calcium carbonate
- C) calcium bicarbonate
- D) Calcium chlorides
__________ molecule forms a two layer system with water
- A) Non polar liquid
- B) Polar liquid
- C) Organic Solid
- D) Gases
The reacting substance like glucose can be removed by two or more reactions occurring simultaneously. This type of reaction is called
- A) Parallel Reaction
- B) Pseudo Order Reaction
- C) Consecutive Reaction
- D) Complex Reaction
In cholesterol the carbon skeleton is________.
- A) Amphoteric
- B) Hydrophilic
- C) Amphipathic
- D) Hydrophobic
Electro dialysis is the removal of ________impurities from sols by the use of semipermeable membrane in the presence of electric field
- A) Insoluble
- B) Soluble
- C) sparingly soluble
- D) dispersed
In case of linear colloids viscosity of dispersion is_______.
- A) high
- B) zero
- C) constant
- D) very low
Rainwater is naturally _________
- A) Weak acidic
- B) strong acid
- C) weak base
- D) strong acid
A pseudo first order reaction is a reaction that is truly ___________but can be approximated to be first order under special circumstances.
- A) second order
- B) zero order
- C) first order
- D) third order
Another name for vander waal forces is __________
- A) Weak Forces
- B) Polar interactions
- C) Non polar interactions
- D) London Forces
Second order process states that sum of --------- in rate law is equal to ---------
- A) Exponents, Two
- B) Chemicals, One
- C) Reactants, Four
- D) Exponents, Three
The average rate ___________as the reaction proceeds
- A) approaches zero
- B) Decreases
- C) Increases
- D) remain unaffected
Following are factors affecting reaction rate
- A) Temperature
- B) Temperature, Catalysts
- C) Time
- D) Concentration of substrate, Temperature, Catalysts
Deposits of calcium carbonate are called _______?
- A) lather
- B) lime scale
- C) none of these
- D) Scum
This method is used to remove hardness from water on a large scale is called_____?
- A) Clark’s method
- B) none of these
- C) ion exchange method
- D) Affinity method
Cholesterol is __________in water.
- A) sparingly soluble
- B) Insoluble
- C) partially soluble
- D) soluble
Which one of the following is the most abundant element in the universe?
- A) Nitrogen
- B) Chlorine
- C) Oxygen
- D) Hydrogen
One of the methods to determine Order of Reaction is
- A) Data interpreting method
- B) Substitution method
- C) Final Rate method
- D) partial line determination method
Catalysts _________the activation energy of a chemical reaction and increase the rate of a chemical reaction
- A) increase
- B) does not effect
- C) Lower
- D) none of these