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

Question

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

A. Protons

B. Electrons

C. Neutrons

D. Nucleons

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What is the chemical formula for hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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Which gas is used in the process of photosynthesis?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Hydrogen

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Which gas is essential for photosynthesis in plants?

A. Carbon dioxide

B. Oxygen

C. Nitrogen

D. Methane

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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 metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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Which gas makes up the majority of Earth's atmosphere?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Hydrogen

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What is the chemical formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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Which element is commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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Which of the following is a lanthanide element?

A. Uranium

B. Boron

C. Lanthanum

D. Sodium

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What is the chemical formula for hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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The process of a liquid changing into a gas at the surface is called:

A. Evaporation

B. Condensation

C. Sublimation

D. Fusion

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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 formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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Which element is used in fluorescent lights?

A. Neon

B. Argon

C. Mercury

D. Xenon

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What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

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The process of a substance changing from a gas to a liquid is called:

A. Sublimation

B. Condensation

C. Evaporation

D. Fusion

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What is the chemical formula for sulfur dioxide?

A. SO2

B. H2SO4

C. SO3

D. H2S

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Which subatomic particle is responsible for chemical bonding?

A. Proton

B. Electron

C. Neutron

D. Photon

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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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What is the chemical formula for carbon monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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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 symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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What is the chemical formula for ozone?

A. O2

B. H2O

C. CO2

D. O3

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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 carbon dioxide?

A. CO2

B. CH4

C. CO

D. C2O

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What is the chemical formula for glucose?

A. C2H6O

B. CH4

C. C6H12O6

D. C8H18

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Accepted Answer

B. Silicon

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

Correct Answer :

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Related Questions

What is the chemical formula for aspirin?

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

What is the chemical formula for hydrogen gas?

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Which gas is essential for photosynthesis in plants?

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