Question 1:

Which type of chemical reaction involves the combination of two or more substances to form a single product?

Explanation: The correct answer is A) Synthesis reaction. In a synthesis reaction, two or more reactants combine to form a single product.

Question 2:

Which type of chemical reaction involves the breakdown of a compound into two or more simpler substances?

Explanation: The correct answer is B) Decomposition reaction. In a decomposition reaction, a compound breaks down into two or more simpler substances.

Question 3:

Which type of chemical reaction involves the reaction between a substance and oxygen, resulting in the release of heat and light?

Explanation: The correct answer is C) Combustion reaction. In a combustion reaction, a substance reacts with oxygen, usually producing heat and light as products.

Question 4:

Which type of chemical reaction involves the exchange of ions between two compounds?

Explanation: The correct answer is C) Double displacement reaction. In a double displacement reaction, the positive and negative ions of two compounds exchange places, forming two new compounds.

Question 5:

Which type of chemical reaction involves the reaction between an acid and a base, resulting in the formation of salt and water?

Explanation: The correct answer is C) Acid-base reaction. In an acid-base reaction, an acid and a base react to form a salt and water as products.