Chemical Reactions
Practice Chemical Reactions MCQs from Chemistry — Science.
How many molecules of oxygen are required to completely burn 1 molecule of methane (CH4)?
What is the effect of a promoter in a chemical reaction?
What is the oxidation number of Hydrogen in Metal Hydrides (like NaH)?
Which reaction shows the identity of a 'decomposition' by light?
Which of the following is a balanced equation for the reaction of Nitrogen and Hydrogen?
What kind of substance is formed when an acid reacts with a carbonate?
What is the chemical name of the product formed when quicklime reacts with water?
Which of the following describes a reversible reaction?
In a redox reaction, the substance that gains oxygen is:
What is the valency of the phosphate radical (PO4)?
Which gas is produced when Ammonium Chloride is heated with Slaked Lime?
What is the oxidation state of Sulphur in H2SO4?
Which of the following represents a neutralization reaction?
What is the percentage of Oxygen in CO2? (C=12, O=16)
Which metal is extracted from its ore using a reduction reaction with Carbon?
What is the purpose of adding Glycerine in the decomposition of Hydrogen Peroxide?
In the reaction 2H2 + O2 -> 2H2O, what is the ratio of volumes of reactants at constant T and P?
What is the product of the reaction between Carbon and limited supply of Oxygen?