Advertisements
Advertisements
Question
Complete the statement by filling in the blank with the correct word:
The element molybdenum used in the reaction of nitrogen with hydrogen at elevated temperatures is an example of a ________.
Options
promoter
catalyst
Advertisements
Solution
The element molybdenum used in the reaction of nitrogen with hydrogen at elevated temperatures is an example of a promoter.
APPEARS IN
RELATED QUESTIONS
Define exothermic reactions. Give two examples of each.
State the effect of an endothermic reaction.
State the effect of an exothermic reaction on the surroundings.
Identify the endothermic and exothermic reaction.
\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]
Give an example with a balanced equation, of the following reaction:
exothermic reaction
Select the correct answer from the options given below:
State the gaseous product formed, when
Two gases one of them neutral combines by absorption of light energy.
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
Assertion: A drop of petrol when touched with finger gives a chill feeling.
Reason: The above phenomenon is an endothermic one.
Give scientific reasons.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
