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Combination Reactions

Chemistry ⇒ Chemical Reactions and Equations

Combination Reactions starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Combination Reactions. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 7
Explain why combination reactions are important in everyday life.
Explain why the reaction between calcium oxide and water is important in construction.
Explain why the reaction between hydrogen and chlorine to form hydrogen chloride is a combination reaction.
What is the product when aluminum reacts with chlorine?
What is the product when calcium oxide reacts with water?
What is the product when nitrogen reacts with hydrogen?
What is the product when phosphorus reacts with oxygen?
Write the balanced chemical equation for the combination of iron and sulfur to form iron sulfide.
Write the balanced equation for the combination of aluminum and oxygen to form aluminum oxide.
Write the balanced equation for the combination of carbon and oxygen to form carbon dioxide.
Write the balanced equation for the combination of sodium and chlorine to form sodium chloride.
Write the balanced equation for the combination of sulfur dioxide and oxygen to form sulfur trioxide.