What is the chemical formula for hydrochloric acid?

Question

What is the chemical formula for hydrochloric acid?

A. H2SO4

B. HCl

C. HNO3

D. H3PO4

Correct Answer :

B. HCl

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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 formula for the hydroxide ion?

A. OH2

B. H2O

C. HO

D. OH-

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Which element is essential for all organic compounds?

A. Carbon

B. Oxygen

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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 sodium hydroxide?

A. NaOH

B. HCl

C. Na2CO3

D. H2SO4

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What is the chemical symbol for gold?

A. Ag

B. Go

C. Au

D. Gd

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Which of the following is a transition metal?

A. Sodium

B. Iron

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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 hydrogen peroxide?

A. H2O2

B. H2SO4

C. HCl

D. NH3

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Which element is a noble gas and is often used in advertising signs?

A. Neon

B. Xenon

D. Argon

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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 methane?

A. CH4

B. CO2

C. H2O

D. NH3

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What is the chemical formula for sulfur hexafluoride?

A. SF6

B. SF5

C. S2F6

D. S2F5

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

A. Oxygen

C. Carbon

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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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What is the chemical formula for sodium chloride?

A. NaCl

B. Na2Cl

C. NaCl2

D. Na2Cl2

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What is the chemical formula for sodium bicarbonate?

A. NaHCO3

B. NaOH

C. Na2CO3

D. Na2SO4

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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 type of bond involves the sharing of electrons?

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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 halogen?

A. Sodium

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What is the chemical symbol for iron?

A. Ir

B. Fe

C. In

D. Ni

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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 of the following is a lanthanide element?

B. Boron

D. Sodium

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Which of the following is a metalloid?

A. Boron

B. Oxygen

D. Sulfur

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What is the chemical formula for nitric acid?

A. HCl

B. H2SO4

C. HNO3

D. H3PO4

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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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Which gas is used in the process of photosynthesis?

B. Oxygen

Discuss this answer

What is the chemical formula for water?

A. H2O

B. CO2

C. CH4

D. O2

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

Discuss this answer

Answer 1

C. Hydrogen

Answer 2

D. Nitrogen

Answer 3

A. Nitrogen

Answer 4

D. Hydrogen

Answer 5

C. Calcium

Answer 6

D. Potassium

Answer 7

B. Electron

Answer 8

C. Neutron

Answer 9

C. Krypton

Answer 10

C. Hydrogen

Answer 11

D. Nitrogen

Answer 12

B. Silicon

Answer 13

D. Hydrogen

Answer 14

B. Alkaline

Answer 15

C. Neutral

Answer 16

A. Ionic bond

Answer 17

B. Covalent bond

Answer 18

C. Metallic bond

Answer 19

D. Hydrogen bond

Answer 20

B. Nitrogen

Answer 21

C. Carbon dioxide

Answer 22

B. Fluorine

Answer 23

C. Potassium

Answer 24

D. Calcium

Answer 25

A. Uranium

Answer 26

C. Lanthanum

Answer 27

C. Nitrogen

Answer 28

A. Carbon dioxide

Answer 29

C. Nitrogen

Answer 30

D. Hydrogen

Answer 31

A. Protons

Answer 32

B. Electrons

Answer 33

C. Neutrons

Answer 34

D. Nucleons

What is the chemical formula for hydrochloric acid?

Correct Answer :

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Related Questions

What is the chemical formula for water vapor?

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