Which element is essential for all organic compounds?

Question

Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

Correct Answer :

A. Carbon

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Which of the following is a metalloid?

A. Boron

B. Oxygen

D. Sulfur

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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 formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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Which gas is used in the process of photosynthesis?

B. Oxygen

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Which of the following is a lanthanide element?

B. Boron

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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Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

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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 formula for potassium nitrate?

A. KNO3

B. KN2O4

C. K2NO3

D. K3NO2

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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 gas makes up the majority of Earth's atmosphere?

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 chemical formula for sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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What is the chemical formula for sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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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 water?

A. H2O

B. CO2

C. CH4

D. O2

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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 nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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

A. Oxygen

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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 essential for human bone health?

B. Iron

C. Sodium

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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 during photosynthesis?

A. Oxygen

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Which element is used in fluorescent lights?

A. Neon

B. Argon

D. Xenon

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Which element is essential for the process of respiration?

A. Carbon

B. Oxygen

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What is the chemical formula for hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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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 of the following is a greenhouse gas?

A. Oxygen

D. Argon

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Which of the following is a noble gas?

A. Neon

B. Sodium

C. Oxygen

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Which of the following is a nonmetal?

A. Sodium

C. Iron

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Answer 1

C. Hydrogen

Answer 2

D. Nitrogen

Answer 3

C. Nitrogen

Answer 4

B. Fluorine

Answer 5

C. Chlorine

Answer 6

D. Bromine

Answer 7

A. Carbon dioxide

Answer 8

C. Nitrogen

Answer 9

D. Hydrogen

Answer 10

A. Uranium

Answer 11

C. Lanthanum

Answer 12

C. Hydrogen

Answer 13

D. Nitrogen

Answer 14

B. Carbon dioxide

Answer 15

C. Nitrogen

Answer 16

D. Hydrogen

Answer 17

B. Carbon dioxide

Answer 18

C. Nitrogen

Answer 19

D. Rayleigh scattering of sunlight

Answer 20

A. Calcium

Answer 21

D. Potassium

Answer 22

B. Carbon dioxide

Answer 23

C. Nitrogen

Answer 24

D. Hydrogen

Answer 25

C. Mercury

Answer 26

C. Hydrogen

Answer 27

D. Nitrogen

Answer 28

B. Nitrogen

Answer 29

C. Carbon dioxide

Answer 30

D. Chlorine

Answer 31

B. Chlorine

Answer 32

D. Calcium

Which element is essential for all organic compounds?

Correct Answer :

Show all AP Chemistry MCQ

Related Questions

Which of the following is a metalloid?

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

What is the chemical formula for water vapor?

Which gas is used in the process of photosynthesis?

Which of the following is a lanthanide element?

What is the chemical formula for hydrogen peroxide?

Which element is essential for all organic compounds?

What is the chemical formula for sulfur hexafluoride?

What is the chemical formula for potassium nitrate?

What is the chemical formula for carbon monoxide?

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

What is the chemical formula for table salt?

What is the chemical formula for sulfuric acid?

What is the chemical formula for sodium hydroxide?

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

What is the chemical formula for water?

What is the chemical formula for carbon dioxide?

What is the chemical formula for nitric acid?

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

What is the chemical formula for sodium bicarbonate?

Which element is essential for human bone health?

What is the chemical formula for ozone?

Which gas is produced during photosynthesis?

Which element is used in fluorescent lights?

Which element is essential for the process of respiration?

What is the chemical formula for hydrogen gas?

What is the chemical formula for sodium chloride?

Which of the following is a greenhouse gas?

Which of the following is a noble gas?

Which of the following is a nonmetal?

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