What is the chemical formula for water?

Question

What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

Correct Answer :

A. H2O

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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 of the following is a noble gas used in lighting?

A. Argon

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Which of the following is a lanthanide element?

B. Boron

D. Sodium

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

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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 sodium bicarbonate?

A. NaHCO3

B. NaOH

C. Na2CO3

D. Na2SO4

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Which of the following is a transition metal?

A. Sodium

B. Iron

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What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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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 chemical formula for hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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

A. Oxygen

C. Carbon

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Which subatomic particle is responsible for chemical bonding?

A. Proton

D. Photon

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What is the chemical formula for carbon monoxide?

A. CO2

B. CH4

C. CO

D. C2O

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

A. HCl

B. H2SO4

D. HNO3

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Which element is the most abundant in the universe?

B. Helium

C. Oxygen

D. Carbon

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

A. Oxygen

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Which subatomic particle has a negative charge?

A. Proton

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

D. Fusion

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What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. NH3

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

A. Acidic

D. Basic

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Which element is the primary component of organic molecules?

B. Oxygen

C. Carbon

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What is the chemical formula for glucose?

A. C2H6O

B. CH4

D. C8H18

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Which of the following is a nonmetal?

A. Sodium

C. Iron

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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 sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

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What is the chemical symbol for gold?

A. Ag

B. Go

C. Au

D. Gd

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

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What is the formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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Answer 1

B. Fluorine

Answer 2

C. Chlorine

Answer 3

D. Bromine

Answer 4

A. Uranium

Answer 5

C. Lanthanum

Answer 6

D. Chlorine

Answer 7

A. Evaporation

Answer 8

B. Condensation

Answer 9

C. Sublimation

Answer 10

C. Calcium

Answer 11

D. Potassium

Answer 12

B. Silicon

Answer 13

D. Hydrogen

Answer 14

B. Electron

Answer 15

C. Neutron

Answer 16

C. CH3COOH

Answer 17

A. Hydrogen

Answer 18

B. Carbon dioxide

Answer 19

C. Nitrogen

Answer 20

D. Rayleigh scattering of sunlight

Answer 21

B. Neutron

Answer 22

C. Electron

Answer 23

D. Nucleus

Answer 24

A. Sublimation

Answer 25

B. Condensation

Answer 26

C. Evaporation

Answer 27

B. Alkaline

Answer 28

C. Neutral

Answer 29

A. Nitrogen

Answer 30

D. Hydrogen

Answer 31

C. C6H12O6

Answer 32

B. Chlorine

Answer 33

D. Calcium

Answer 34

A. Protons

Answer 35

B. Electrons

Answer 36

C. Neutrons

Answer 37

D. Nucleons

What is the chemical formula for water?

Correct Answer :

Show all AP Chemistry MCQ

Related Questions

What is the chemical formula for hydrogen gas?

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

Which of the following is a lanthanide element?

Which of the following is a noble gas?

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

What is the chemical formula for sodium bicarbonate?

Which of the following is a transition metal?

What is the chemical formula for water?

What is the chemical formula for table salt?

What is the chemical formula for hydrogen peroxide?

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

Which subatomic particle is responsible for chemical bonding?

What is the chemical formula for carbon monoxide?

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

Which element is the most abundant in the universe?

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

Which subatomic particle has a negative charge?

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

What is the chemical formula for methane?

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

Which element is the primary component of organic molecules?

What is the chemical formula for glucose?

Which of the following is a nonmetal?

What is the chemical formula for ammonia?

What is the chemical formula for sulfuric acid?

What is the chemical formula for hydrochloric acid?

What is the chemical symbol for gold?

What is the chemical formula for sulfur hexafluoride?

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

What is the formula for the hydroxide ion?

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