The rate of a reaction is expressed in terms of
moles litre
moles/litre
moles/litre/second
moles second
The substances which is used as a starting material for a chemical reaction is called
Solute
Solvent
Reactant
Product
When Zinc pieces are added to hydrochloric acid, there is an evolution of a gas
O2
H2
CO2
Cl2
Reactions in which the products cannot be reconverted into starting material is
Reversible reaction
Displacement reaction
Irreversible reaction
Combination reaction
A white curdy precipitate obtained when silver nitrate is added to sodium chloride is
Silver chloride
Sodium nitrate
Silver nitrate
Sodium hydroxide
When rate of forward reaction is equal to the rate of backward reaction, the system is said to be in a state of
Zero reaction
Equilibrium
Constant motion
None of these
The substances obtained after the completion of a chemical change is known as
Reactions which takes place in several hours and above are known as
Moderate reaction
Fast reaction
Slow reaction
Very slow reaction
Hydrolysis of methyl acetate gives an acid
Methanoic acid
Methyl alcohol
Acetic acid
Acetone
Substance which is capable of altering the rate of a reaction without undergoing any chemical change is called a
Catalyst
