Combination Reactions
Chemistry ⇒ Chemical Reactions and Equations
Combination Reactions starts at 7 and continues till grade 12.
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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?
Explain why combination reactions are important in everyday life.
Explain why the reaction between calcium oxide and water is important in construction.
Is the following reaction a combination reaction? Mg + O2 → 2MgO
Is the reaction between carbon monoxide and oxygen to form carbon dioxide a combination reaction?
Which of the following best describes a combination reaction? (1) Two or more substances combine to form a single product (2) A single substance breaks down into two or more products (3) Two compounds exchange ions (4) A substance reacts with oxygen to produce heat and light
Which of the following is a combination reaction? (1) 2Fe + 3Cl2 → 2FeCl3 (2) 2KNO3 → 2KNO2 + O2 (3) 2AgNO3 + Na2SO4 → Ag2SO4 + 2NaNO3 (4) CaCO3 → CaO + CO2
Which of the following is a combination reaction? (1) 2Na + 2H2O → 2NaOH + H2 (2) 2H2 + O2 → 2H2O (3) 2KClO3 → 2KCl + 3O2 (4) CaCO3 → CaO + CO2
Which of the following is a general form of a combination reaction? (1) AB → A + B (2) A + B → AB (3) AB + CD → AD + CB (4) A + O2 → AO2
Fill in the blank: In a combination reaction, the number of products formed is usually ________ than the number of reactants.
Fill in the blank: The chemical formula for the product formed when magnesium burns in air is ________.
Fill in the blank: The reaction between a metal and a non-metal to form a salt is a type of ________ reaction.
Fill in the blank: The reaction between hydrogen and oxygen to form water is a ________ reaction.
Is the following reaction a combination reaction? Mg + O2 → 2MgO
Is the reaction between carbon monoxide and oxygen to form carbon dioxide a combination reaction?
State whether the following statement is true or false: All combination reactions are exothermic.
State whether the following statement is true or false: Combination reactions always involve two elements.
