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4

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

A. HCl

B. H2SO4

C. CH3COOH

D. HNO3

Correct Answer :

C. CH3COOH


Related Questions

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Which of the following is a transition metal?

A. Sodium

B. Iron

C. Calcium

D. Potassium

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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 hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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

A. Acidic

B. Alkaline

C. Neutral

D. Basic

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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 nonmetal?

A. Sodium

B. Chlorine

C. Iron

D. Calcium

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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 sulfuric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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What is the chemical formula for table salt?

A. NaCl

B. H2O

C. CO2

D. CH4

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4

Which element is essential for human bone health?

A. Calcium

B. Iron

C. Sodium

D. Potassium

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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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What is the chemical formula for sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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4

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

A. HCl

B. H2SO4

C. CH3COOH

D. HNO3

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4

Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

C. Hydrogen

D. Nitrogen

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Which of the following is a greenhouse gas?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Argon

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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 commonly used in batteries?

A. Calcium

B. Lithium

C. Aluminum

D. Zinc

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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 hydrogen gas?

A. H2

B. O2

C. N2

D. CO2

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What is the chemical formula for ammonia?

A. NH4

B. NH2

C. NH3

D. NH

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Which of the following is a lanthanide element?

A. Uranium

B. Boron

C. Lanthanum

D. Sodium

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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 methane?

A. CH4

B. CO2

C. H2O

D. NH3

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What is the chemical formula for water vapor?

A. H2O

B. CO2

C. H2O2

D. O2

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4

What is the chemical formula for glucose?

A. C2H6O

B. CH4

C. C6H12O6

D. C8H18

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4

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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What is the chemical formula for sulfur dioxide?

A. SO2

B. H2SO4

C. SO3

D. H2S