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4

What is the chemical formula for sulfur dioxide?

A. SO2

B. H2SO4

C. SO3

D. H2S

Correct Answer :

A. SO2


Related Questions

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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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Which gas is produced during photosynthesis?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Hydrogen

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How many hydrogen atoms are in one molecule of methane (CH4)?

A. 1

B. 2

C. 3

D. 4

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What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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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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What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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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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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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4

Which subatomic particle is responsible for chemical bonding?

A. Proton

B. Electron

C. Neutron

D. Photon

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What is the chemical formula for acetic acid, found in vinegar?

A. HCl

B. H2SO4

C. CH3COOH

D. HNO3

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What is the chemical formula for aspirin?

A. C6H12O6

B. CH4

C. C9H8O4

D. C12H22O11

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4

How many protons are in the nucleus of an atom with an atomic number of 20?

A. 10

B. 20

C. 40

D. 60

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Which of the following is a greenhouse gas produced by human activities?

A. Oxygen

B. Carbon dioxide

C. Nitrogen

D. Argon

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What is the chemical formula for potassium nitrate?

A. KNO3

B. KN2O4

C. K2NO3

D. K3NO2

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What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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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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Which type of bond involves the sharing of electrons?

A. Ionic bond

B. Covalent bond

C. Metallic bond

D. Hydrogen bond

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What is the chemical symbol for silver?

A. Ag

B. Au

C. Si

D. Sr

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Which element is commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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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 of the following is a metalloid?

A. Boron

B. Oxygen

C. Nitrogen

D. Sulfur

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What is the chemical formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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What is the chemical formula for sodium chloride?

A. NaCl

B. Na2Cl

C. NaCl2

D. Na2Cl2

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Which element is used in fluorescent lights?

A. Neon

B. Argon

C. Mercury

D. Xenon

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Which gas is responsible for the rotten egg smell?

A. Oxygen

B. Carbon monoxide

C. Sulfur dioxide

D. Hydrogen sulfide

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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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 the most abundant in the universe?

A. Hydrogen

B. Helium

C. Oxygen

D. Carbon

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Which element is essential for human bone health?

A. Calcium

B. Iron

C. Sodium

D. Potassium