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What is the correct answer?

4

What is the chemical symbol for water?

A. O2

B. H2O

C. CO2

D. CH4

Correct Answer :

B. H2O


Related Questions

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4

Who developed the theory of evolution by natural selection?

A. Charles Darwin

B. Gregor Mendel

C. Albert Einstein

D. Isaac Newton

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4

What is the chemical formula for sodium bicarbonate?

A. NaCO2

B. NaCl

C. Na2CO3

D. NaHCO3

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4

Who wrote the novel Crime and Punishment?

A. Fyodor Dostoevsky

B. Leo Tolstoy

C. Victor Hugo

D. Gustave Flaubert

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4

What is the chemical symbol for iron?

A. I

B. Fe

C. Ir

D. In

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4

What is the chemical formula for water?

A. H2O

B. CO2

C. NaCl

D. CH4

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4

What is the chemical formula for acetic acid?

A. CH3COOH

B. H2SO4

C. NaOH

D. C6H12O6

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4

What is the chemical formula for ammonia?

A. NH3

B. H2O

C. CO2

D. CH4

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4

Who wrote the play Macbeth?

A. William Shakespeare

B. Charles Dickens

C. Jane Austen

D. Mark Twain

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4

Which planet is known as the Evening Star?

A. Mars

B. Venus

C. Jupiter

D. Saturn

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4

Who wrote the novel Moby-Dick?

A. Herman Melville

B. Mark Twain

C. F. Scott Fitzgerald

D. Emily Bront�

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4

Who developed the theory of special relativity?

A. Isaac Newton

B. Albert Einstein

C. Max Planck

D. Niels Bohr

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4

Which gas is known as the sweet gas due to its pleasant odor?

A. Hydrogen

B. Oxygen

C. Methane

D. Ethylene

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4

Which gas is known as laughing gas?

A. Nitrous Oxide

B. Carbon Monoxide

C. Methane

D. Sulphur Dioxide

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4

Who wrote the play Romeo and Juliet?

A. Charles Dickens

B. William Shakespeare

C. Jane Austen

D. Mark Twain

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4

Which gas is known as the silent killer due to its odorless and colorless nature?

A. Carbon Monoxide

B. Nitrogen

C. Oxygen

D. Sulfur Dioxide

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4

Who was the first person to reach the summit of Mount Everest?

A. Sir Edmund Hillary

B. Tenzing Norgay

C. Reinhold Messner

D. Junko Tabei

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4

What is the chemical symbol for water?

A. O2

B. H2O

C. CO2

D. CH4

What is the correct answer?

4

What is the smallest prime number?

A. 0

B. 1

C. 2

D. 3

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4

Who wrote the play A Streetcar Named Desire?

A. Tennessee Williams

B. Arthur Miller

C. Anton Chekhov

D. Henrik Ibsen

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4

Which planet is known as the Red Planet?

A. Venus

B. Mars

C. Jupiter

D. Saturn

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4

What is the chemical symbol for silver iodide?

A. SiI

B. AgI

C. SiO

D. AI

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4

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

A. Nitrogen

B. Oxygen

C. Carbon Dioxide

D. Hydrogen

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4

Which planet is known as the Morning Star?

A. Venus

B. Mars

C. Mercury

D. Jupiter

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4

Who was the first person to orbit the Earth?

A. Yuri Gagarin

B. John Glenn

C. Neil Armstrong

D. Valentina Tereshkova

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4

Who was the first person to set foot on the South Pole?

A. Roald Amundsen

B. Robert F. Scott

C. Ernest Shackleton

D. Richard E. Byrd

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4

What is the chemical symbol for calcium carbonate?

A. CaCO3

B. CACO3

C. Ca2CO3

D. CaCO2

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4

Who painted the Mona Lisa?

A. Vincent van Gogh

B. Pablo Picasso

C. Leonardo da Vinci

D. Michelangelo

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4

Who wrote the play Othello?

A. William Shakespeare

B. Anton Chekhov

C. Tennessee Williams

D. Henrik Ibsen

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4

Who is the author of To Kill a Mockingbird?

A. F. Scott Fitzgerald

B. Harper Lee

C. George Orwell

D. J.K. Rowling

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4

Which famous scientist developed the theory of relativity?

A. Isaac Newton

B. Albert Einstein

C. Marie Curie

D. Galileo Galilei