Gases in Air: True or False

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Quiz on air composition and oxygen tests

Creada por

Andrea Arroyave Rincón

Colombia

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Gases in Air: True or False


Gases in Air: True or FalseVersión en línea Quiz on air composition and oxygen tests por Andrea Arroyave Rincón 1 Experiment to show the amount of oxygen in the air: The initial volume of air remains the same after the reaction. Sí No 2 Experiment to show the amount of oxygen in the air: Approximately 50% of the initial volume would be oxygen in air. Sí No 3 Experiment to show the amount of oxygen in the air: Excess iron is used to ensure that all the oxygen reacts. Sí No 4 Experiment to show the amount of oxygen in the air: Copper reacts with oxygen to form copper oxide (a black solid). The reaction is: 2Cu + O₂ → 2CuO Sí No 5 Experiment to show the amount of oxygen in the air: The decrease in volume indicates how much oxygen was present in the air. Sí No 6 Experiment to show the amount of oxygen in the air: The volume of air decreases because oxygen is used up and becomes solid oxide. Sí No 7 Experiment to show the amount of oxygen in the air: The goal of the oxygen experiment is to measure how much oxygen is in the air by removing it and observing a volume decrease. Sí No 8 Air oxygen is the least abundant gas. Sí No 9 Nitrogen makes up about 78% of air and oxygen about 21%. Sí No 10 Metals like copper react with oxygen to form a metal oxide, turning oxygen into a solid. Sí No 11 Neon, helium, methane, and krypton are the four main gases in air. Sí No 12 Combustion is a reaction with oxygen that releases energy. Sí No 13 Air is a mixture and the four main gases by volume are nitrogen, oxygen, argon, and carbon dioxide. Sí No 14 Argon and carbon dioxide are present in smaller amounts in air. Sí No 15 Argon and carbon dioxide are the only gases in air. Sí No 16 Polluted air can contain carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen oxides (NO2). Sí No 17 Does copper carbonate change from green to black when heated? Sí No 18 Does sodium carbonate produce carbon dioxide when heated? Sí No 19 Is zinc carbonate easy to decompose by heating? Sí No 20 Does potassium carbonate change color when heated? Sí No 21 Do lead carbonate and copper carbonate both produce carbon dioxide when heated? Sí No

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Gases in Air: True or False

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OPEN UP 5 UNIT 3: THERE IS/ARE, THERE WAS, THERE WERE

Gases in Air: True or FalseVersión en línea

por Andrea Arroyave Rincón

Experiment to show the amount of oxygen in the air: The initial volume of air remains the same after the reaction.

Experiment to show the amount of oxygen in the air: Approximately 50% of the initial volume would be oxygen in air.

Experiment to show the amount of oxygen in the air: Excess iron is used to ensure that all the oxygen reacts.

Experiment to show the amount of oxygen in the air: Copper reacts with oxygen to form copper oxide (a black solid). The reaction is: 2Cu + O₂ → 2CuO

Experiment to show the amount of oxygen in the air: The decrease in volume indicates how much oxygen was present in the air.

Experiment to show the amount of oxygen in the air: The volume of air decreases because oxygen is used up and becomes solid oxide.

Experiment to show the amount of oxygen in the air: The goal of the oxygen experiment is to measure how much oxygen is in the air by removing it and observing a volume decrease.

Air oxygen is the least abundant gas.

Nitrogen makes up about 78% of air and oxygen about 21%.

Metals like copper react with oxygen to form a metal oxide, turning oxygen into a solid.

Neon, helium, methane, and krypton are the four main gases in air.

Combustion is a reaction with oxygen that releases energy.

Air is a mixture and the four main gases by volume are nitrogen, oxygen, argon, and carbon dioxide.

Argon and carbon dioxide are present in smaller amounts in air.

Argon and carbon dioxide are the only gases in air.

Polluted air can contain carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen oxides (NO2).

Does copper carbonate change from green to black when heated?

Does sodium carbonate produce carbon dioxide when heated?

Is zinc carbonate easy to decompose by heating?

Does potassium carbonate change color when heated?

Do lead carbonate and copper carbonate both produce carbon dioxide when heated?