Free MCQs & Online Quiz Practice for Exams

Q: Among the alkali metals the metal with the highest ionization potential is:

A) Na

B) Li

C) Rb

D) Cs

Q: The halogen present in the solid form is:

A) Chlorine

B) Fluorine

C) Iodine

D) Bromine

Q: The word Alkali means:

A) Base

B) Basic salt

C) Acid

D) Ashes

Q: The oxide of calcium CaO is:

A) Acidic

B) Basic

C) Amphoteric

D) Neutral

Q: Which one of the following is not an alkali metal:

A) Francium

B) Cesium

C) Rubidium

D) Radium

Q: Group IA elements are named as Alkaline Earth Metals because:

A) Their oxides are basic

B) Their oxide and hydroxides are water soluble

C) Both a and b

D) They are found in earth

Q: The spontaneous mixing of particles is called

A) evaporation

B) sublimation

C) diffusion

D) boiling

Q: Which statement for the particles of solid is not correct

A) they move at great speed

B) they are arranged in regular pattern

C) there is a very little space between the particles

D) the force of attraction between the particles are strong

Q: A liquid boils when its vapour pressure becomes equal to

A) 760cm of Hg

B) 1 Pascal

C) 101.325 kilo Pascal

D) 0.1 atm

Q: The vapour pressure of a liquid increases with the

A) increase of pressure

B) increase of temperature

C) increase of intermolecular forces

D) increase of polarity of molecules

Q: Water normally boils at 100°C but it is possible to boil at 50°C which variable would you have to change to do this

A) increase external pressure

B) decrease external pressure

C) increase surface area

D) decrease surface area

Q: The vapour pressure of a liquid in a closed container depends upon

A) amount of liquid

B) surface area of the liquid

C) temperature

D) both B and C

Q: Which one of the following is not an example of amorphous solid

A) rubber

B) glass

C) glucose

D) plastic

Q: At freezing point which one of the following coexists in dynamic equilibrium

A) gas and solid

B) liquid and gas

C) liquid and solid

D) all of these

Q: Ink spreads in water because of

A) vapour pressure

B) expansion

C) diffusion

D) compressibility of water

Q: What will be the pressure of a gas if the volume of the gas at 2 atmospheres is increased from 1.5 dm? to 3 dm?

A) 1 atmosphere

B) 1.5 atmosphere

C) 2 atmosphere

D) 2.5 atmosphere

Q: The oxidation number of nitrogen NH₃ is

A) +1

B) -3

C) 0

D) +3

Q: What is the oxidation number of C in CH₃OH

A) -2

B) -1

C) 0

D) +1

Q: A cation is

A) neutral

B) negatively charged

C) without charge

D) positively charged

Q: Electrons are lost by the

A) reducing agent as it undergoes oxidation

B) reducing agent as it undergoes reduction

C) oxidizing agent as it undergoes oxidation

D) oxidizing agent as it undergoes reduction