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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 8
A student mixes calcium oxide and water and observes the formation of a white, powdery substance. What type of reaction has occurred?
Describe what happens in a combination reaction.
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 nitrogen and hydrogen to form ammonia is a combination reaction.
State one real-life example of a combination reaction.
What is the product formed when magnesium burns in air?
Write the balanced chemical equation for the combination reaction between hydrogen and chlorine.
Write the balanced equation for the combination reaction between iron and sulfur.
Write the balanced equation for the combination reaction between phosphorus and oxygen to form diphosphorus pentoxide.
Write the balanced equation for the combination reaction between sulfur and oxygen.