The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

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The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

A. Acidic

B. Alkaline

C. Neutral

D. Basic

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Which of the following is a halogen?

A. Sodium

B. Fluorine

C. Potassium

D. Calcium

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The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

A. Acidic

B. Alkaline

C. Neutral

D. Basic

Discuss this answer

Which gas is responsible for the blue color of the Earth's sky?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Rayleigh scattering of sunlight

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Which subatomic particle has a negative charge?

A. Proton

B. Neutron

C. Electron

D. Nucleus

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What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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What is the chemical symbol for potassium?

A. Po

B. Pa

C. K

D. Ke

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What is the chemical formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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Which element is a noble gas and is often used in advertising signs?

A. Neon

B. Xenon

C. Krypton

D. Argon

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Which element is the most abundant in Earth's crust?

A. Oxygen

B. Silicon

C. Carbon

D. Hydrogen

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What is the chemical formula for aspirin?

A. C6H12O6

B. CH4

C. C9H8O4

D. C12H22O11

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What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. NH3

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

D. Chlorine

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Which of the following is a nonmetal?

A. Sodium

B. Chlorine

C. Iron

D. Calcium

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Which element is commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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Which gas is produced during photosynthesis?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Hydrogen

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Which of the following is a transition metal?

A. Sodium

B. Iron

C. Calcium

D. Potassium

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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The atomic number of an element is determined by the number of:

A. Protons

B. Electrons

C. Neutrons

D. Nucleons

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Which element is the primary component of organic molecules?

A. Nitrogen

B. Oxygen

C. Carbon

D. Hydrogen

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Which of the following is a metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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Which gas is produced by burning fossil fuels and contributes to air pollution?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Sulfur dioxide

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What is the chemical formula for hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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Which of the following is a noble gas used in lighting?

A. Argon

B. Fluorine

C. Chlorine

D. Bromine

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What is the chemical formula for sodium bicarbonate?

A. NaHCO3

B. NaOH

C. Na2CO3

D. Na2SO4

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Which element is the most abundant in the universe?

A. Hydrogen

B. Helium

C. Oxygen

D. Carbon

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What is the chemical formula for glucose?

A. C2H6O

B. CH4

C. C6H12O6

D. C8H18

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What is the chemical symbol for silver?

A. Ag

B. Au

C. Si

D. Sr

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How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

A. 2

B. 6

C. 8

D. 4

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What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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Which of the following is a lanthanide element?

A. Uranium

B. Boron

C. Lanthanum

D. Sodium

Discuss this answer

Accepted Answer

C. Neutral

The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

Correct Answer :

Show all AP Chemistry MCQ

Related Questions

Which of the following is a halogen?

The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:

Which gas is responsible for the blue color of the Earth's sky?

Which subatomic particle has a negative charge?

What is the chemical formula for sulfur hexafluoride?

What is the chemical symbol for potassium?

What is the chemical formula for ammonia?

Which element is a noble gas and is often used in advertising signs?

Which element is the most abundant in Earth's crust?

What is the chemical formula for aspirin?

What is the chemical formula for methane?

Which of the following is a noble gas?

Which of the following is a nonmetal?

Which element is commonly used in batteries?

Which gas is produced during photosynthesis?

Which of the following is a transition metal?

What is the chemical formula for water?

The atomic number of an element is determined by the number of:

Which element is the primary component of organic molecules?

Which of the following is a metalloid?

Which gas is produced by burning fossil fuels and contributes to air pollution?

What is the chemical formula for hydrogen peroxide?

Which of the following is a noble gas used in lighting?

What is the chemical formula for sodium bicarbonate?

Which element is the most abundant in the universe?

What is the chemical formula for glucose?

What is the chemical symbol for silver?

How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?

What is the chemical symbol for iron?

Which of the following is a lanthanide element?

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