Question 1:
Which of the following is a chemical property of a material?
Explanation: The correct answer is D) Reactivity with acid. Reactivity with acid is a chemical property that describes how a material undergoes a chemical reaction when in contact with an acid. It involves the breaking and forming of chemical bonds.
Question 2:
Which chemical property describes a material's ability to burn in the presence of oxygen?
Explanation: The correct answer is B) Flammability. Flammability is a chemical property that describes a material's ability to burn or ignite in the presence of oxygen. It involves a chemical reaction known as combustion, which releases heat and light.
Question 3:
Which chemical property describes a material's ability to undergo rusting when exposed to moisture?
Explanation: The correct answer is C) Reactivity with water. Reactivity with water is a chemical property that describes a material's ability to undergo a chemical reaction with water. One example is the rusting of iron when exposed to moisture, which is a chemical reaction known as oxidation.
Question 4:
Which chemical property describes a material's ability to react with oxygen and form oxides?
Explanation: The correct answer is D) Oxidation. Oxidation is a chemical property that describes a material's ability to react with oxygen. It results in the formation of oxides, such as iron oxide (rust), when a material combines with oxygen in the presence of heat or a catalyst.
Question 5:
Which chemical property describes a material's ability to undergo a chemical reaction and produce a gas?
Explanation: The correct answer is B) Reactivity with acid. Reactivity with acid is a chemical property that describes a material's ability to undergo a chemical reaction with an acid and produce a gas as one of the products. This gas formation is a characteristic chemical property of the material.
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