MATRIC • FSC • NTS • ETEA • CSS • PMS etc MCQs Learn, Practice, Prepare, Succeed! Prepare Today, Succeed Tomorrow!

Q: Bromine is a non-metal in:

A) Solid state

B) Liquid state

C) Gaseous state

D) Plasma state

Q: Halogens react with metals to form:

A) Halides

B) Oxides

C) Halogen sulphides

D) Hydrogenated compounds

Q: Alkali metals are:

A) Oxidising agents

B) Dehydrating agents

C) Reducing agents

D) All the above

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