subject

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 11
A student mixes 2 moles of hydrogen gas with 1 mole of oxygen gas. How many moles of water are formed in the combination reaction?
Describe a real-life example of a combination reaction.
Explain why the reaction between calcium oxide and water is classified as a combination reaction.
Explain why the reaction between hydrogen and oxygen to form water is a combination reaction.
Give an example of a combination reaction involving a metal and a non-metal.
In a combination reaction, the reactants are usually:
State the difference between a combination reaction and a decomposition reaction.
The reaction: CaO(s) + H2O(l) → Ca(OH)2(aq) is an example of which type of reaction?
Write a balanced equation for the combination reaction between nitrogen and hydrogen to form ammonia.
Write the balanced chemical equation for the combination reaction between magnesium and oxygen.
Write the balanced equation for the combination reaction between carbon and oxygen to form carbon dioxide.
Write the balanced equation for the combination reaction between phosphorus and chlorine to form phosphorus trichloride.
Write the balanced equation for the combination reaction between sulfur and oxygen to form sulfur dioxide.