It is manufactured by Haber's process

• Coolant

• Ammonia

• Catalyst

• Reactor

• oxygen

What does an upward arrow indicate in chemical reaction?

• Formaton of precipitate

• evolution of chemistry

• evolution of gas

• All of the above

An example of negative catalyst is?

• Platinum

• Ammonia

• Hydrogen

• Phosphoric acid

• None of the above

The color of nitrogen dioxide is?

• Reddish blue

• Red

• Blue

• Black

• None of the above

During oxidation of ammonia _______ acts a catalyst

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• Exellent

• Good

• Can do better

• Poor

• Very bad

Formation of a precipitate is indicated by a ___

• Upward arrow

• right arrow

• downward arrow

• left arrow

Substances which take part in in a chemical reaction are called the ____

Substances that are formed as a result of chemical reaction are called _____

• Reactants

• resultant

• precipitate

• Products

• All of the above

Electrolytic dissociation of water and hydrogen is called ________

• Catalyst

• Electrolysis

• endothermic

• nitrogen

• None of the above