Reactions which takes place in several hours and above are known as
Moderate reaction
Fast reaction
Slow reaction
Very slow reaction
Substance which is capable of altering the rate of a reaction without undergoing any chemical change is called a
Reactant
Product
Catalyst
Solvent
When Zinc pieces are added to hydrochloric acid, there is an evolution of a gas
O2
H2
CO2
Cl2
The rate of a reaction depends on
Nature of reactants
Nature products
Nature of reaction condition
Reactivity
The rate of a reaction is expressed in terms of
moles litre
moles/litre
moles/litre/second
moles second
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
Moderate reactions are those which takes place in
Several hours
Few minutes
Fraction of second
Several days
The substances obtained after the completion of a chemical change is known as
Solute
Hydrolysis of methyl acetate gives an acid
Methanoic acid
Methyl alcohol
Acetic acid
Acetone
The substances which is used as a starting material for a chemical reaction is called
