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WHAT IS CATALYST?HOW IT IS USEFUL?EXPLAIN BRIEFLY???????????????????????????????????????

WHAT IS CATALYST?HOW IT IS USEFUL?EXPLAIN BRIEFLY???????????????????????????????????????

Grade:12th pass

12 Answers

Prabhakar ch
577 Points
8 years ago
Dear Jyotheeswar
                              catalyst cat·a·lyst (kāt'l-ĭst) n. A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
Gaddam Chethan
317 Points
8 years ago
Hello jyohti
                     Catalyst means a substance that increases the rate of a chemical reaction
uses:Besides aluminium oxide and silicon dioxide, other oxides are important catalysts. For example, in the Contact Process used to manufacture sulfuric acid, the catalyst for the oxidation of sulfur dioxide to sulfur trioxide is vanadium(V) oxide on the surface of silica: Potassium sulfate is added as a promoter.
Gowri sankar
292 Points
8 years ago
HELLO JYOTHI,
                      CATALYST MEANS A SUBSTANCE THAT INCREASES THE RATE OF A CHEMICAL REACTION.
USES:BESIDES ALUMINIUM OXIDE AND SILICON DIOXIDE OTHER OXIDES ARE IMPORTANT CATALYSTS.
T.kumar
281 Points
8 years ago
catalyst increase the chwmical reaction is called catalyst this is main reason...use is increse the speed of the reaction...
 
NAGOORVALI
105 Points
8 years ago
friend catelist means the compound which alter the reaction is called catelist there are two catelysts positive and negative
NARAYANA
242 Points
8 years ago
catalyst is increase the rate of reaction without
Dheeru chowdary
100 Points
8 years ago
mr.jyothi,
           catalyst is an substance which doesn’t participate in chemical reaction but it alters the rate of reaction
SAI SARDAR
1700 Points
8 years ago
Jyotheeswar,The substance which doesn’t takes place in a reaction but increase the speed of reaction then it is called catalyst.
SAI SANDY
153 Points
8 years ago
 
Dear Jyotheeswar
                              catalyst cat·a·lyst (kāt'l-ĭst) n. A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process
Y MANJUNADH
131 Points
8 years ago
dear jyothi,
    catalyst is the agent to improve the reaction time as well as  rate,it is occured by without involvement.it works as good speeder.
manichandra
109 Points
8 years ago
Jyotheeswar
                              catalyst cat·a·lyst (kāt'l-ĭst) n. A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
mohan
216 Points
8 years ago
dear iitian...................
                 catalist is the substance, which is alter the rete of reaction either increeses or  dicreses......................................................

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