Which one of the following does not involve coagulation
Which one of the following does not involve coagulation Options (a) Clotting of blood by the use of ferric chloride…
7 years ago
Chemistry
The base principle of Cottrell’s precipitator is
The base principle of Cottrell's precipitator is Options (a) neutralisation of charge on colloidal particles (b) scattering of light (c)…
7 years ago
Activated charcoal is used to remove colouring matter from pure substances.
Activated charcoal is used to remove colouring matter from pure substances.It works by Options (a) oxidation (b) reduction (c) bleaching…
7 years ago
Identify the gas which is readily adsorbed by activated charcoal
Identify the gas which is readily adsorbed by activated charcoal Options (a) N₂ (b) SO₂ (c) H₂ (d) O₂ Correct…
7 years ago
Which one of the following is wrong about molecularity of a reaction
Which one of the following is wrong about molecularity of a reaction Options (a) It may be whole number or…
7 years ago
The minimum amount of energy required for the reacting molecules to undergo
The minimum amount of energy required for the reacting molecules to undergo reaction is called Options (a) threshold energy (b)…
7 years ago
The term-dc/dt in a rate equation refers to
The term-dc/dt in a rate equation refers to Options (a) the decrease in concentration of the reactant with time (b)…
7 years ago
Hydrolysis of ester, in an acidic medium, is
Hydrolysis of ester, in an acidic medium, is Options (a) first order reaction with molecularity two (b) first order reaction…
7 years ago
The mass of an object changes from 0.002 g to 0.00025 g in a time period
The mass of an object changes from 0.002 g to 0.00025 g in a time period of 1500 years.The half-life…
7 years ago
The unit of rate constant depends upon
The unit of rate constant depends upon Options (a) rate of reaction (b) order of reaction (c) molecularity of reaction…
7 years ago