What is the chemical formula for methane?

Question

What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. NH3

Correct Answer :

A. CH4

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Which element is essential for the process of respiration?

A. Carbon

B. Oxygen

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

A. Oxygen

Discuss this answer

Which element is used in fluorescent lights?

A. Neon

B. Argon

D. Xenon

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Which of the following is a nonmetal?

A. Sodium

C. Iron

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Which gas is responsible for the rotten egg smell?

A. Oxygen

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What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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What is the formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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

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What is the chemical formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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

D. Fusion

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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 sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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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 potassium nitrate?

A. KNO3

B. KN2O4

C. K2NO3

D. K3NO2

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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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What is the chemical formula for carbon monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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Which subatomic particle is responsible for chemical bonding?

A. Proton

D. Photon

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

A. Argon

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What is the chemical symbol for gold?

A. Ag

B. Go

C. Au

D. Gd

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Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

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What is the chemical symbol for potassium?

A. Po

B. Pa

C. K

D. Ke

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Which element is commonly used in batteries?

D. Zinc

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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 formula for ozone?

A. O2

B. H2O

C. CO2

D. O3

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

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Which element is the most abundant in the universe?

B. Helium

C. Oxygen

D. Carbon

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

D. Fusion

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

Discuss this answer

What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

Discuss this answer

Answer 1

C. Hydrogen

Answer 2

D. Nitrogen

Answer 3

B. Carbon dioxide

Answer 4

C. Nitrogen

Answer 5

D. Rayleigh scattering of sunlight

Answer 6

C. Mercury

Answer 7

B. Chlorine

Answer 8

D. Calcium

Answer 9

B. Carbon monoxide

Answer 10

C. Sulfur dioxide

Answer 11

D. Hydrogen sulfide

Answer 12

A. Protons

Answer 13

B. Electrons

Answer 14

C. Neutrons

Answer 15

D. Nucleons

Answer 16

A. Sublimation

Answer 17

B. Condensation

Answer 18

C. Evaporation

Answer 19

B. Electron

Answer 20

C. Neutron

Answer 21

B. Fluorine

Answer 22

C. Chlorine

Answer 23

D. Bromine

Answer 24

C. Hydrogen

Answer 25

D. Nitrogen

Answer 26

A. Calcium

Answer 27

B. Lithium

Answer 28

C. Aluminum

Answer 29

D. Chlorine

Answer 30

A. Hydrogen

Answer 31

A. Evaporation

Answer 32

B. Condensation

Answer 33

C. Sublimation

What is the chemical formula for methane?

Correct Answer :

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Related Questions

Which element is essential for the process of respiration?

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

Which element is used in fluorescent lights?

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Which gas is responsible for the rotten egg smell?

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