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4

What is the chemical formula for sodium bicarbonate?

A. NaCO2

B. NaCl

C. Na2CO3

D. NaHCO3

Correct Answer :

D. NaHCO3


Related Questions

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Who was the first woman to fly solo across the Atlantic Ocean?

A. Amelia Earhart

B. Bessie Coleman

C. Sally Ride

D. Valentina Tereshkova

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4

Who wrote the novel War and Peace?

A. Fyodor Dostoevsky

B. Leo Tolstoy

C. Victor Hugo

D. Jane Austen

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Which gas is known as laughing gas?

A. Nitrous Oxide

B. Carbon Monoxide

C. Methane

D. Sulphur Dioxide

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4

Which planet is known as the Ice Giant?

A. Neptune

B. Uranus

C. Saturn

D. Pluto

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Who wrote the novel One Hundred Years of Solitude?

A. Gabriel Garc�a M�rquez

B. Jorge Luis Borges

C. Pablo Neruda

D. Mario Vargas Llosa

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What is the chemical formula for carbon monoxide?

A. CO

B. CO2

C. CH4

D. C6H12O6

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What is the chemical formula for table salt?

A. NaOH

B. NaCl

C. H2SO4

D. CH3COOH

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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 element has the chemical symbol O?

A. Oxygen

B. Osmium

C. Fluorine

D. Carbon

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4

Who painted Starry Night?

A. Claude Monet

B. Vincent van Gogh

C. Pablo Picasso

D. Salvador Dal�

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4

Who discovered the law of electromagnetic induction?

A. Michael Faraday

B. James Clerk Maxwell

C. Albert Einstein

D. Isaac Newton

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What is the chemical symbol for calcium carbonate?

A. CaCO3

B. CACO3

C. Ca2CO3

D. CaCO2

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4

What is the chemical symbol for silver?

A. Si

B. Ag

C. Sn

D. Sr

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4

What is the chemical symbol for gold?

A. Au

B. Ag

C. Fe

D. Cu

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4

What is the chemical formula for ammonia?

A. NH3

B. H2O

C. CO2

D. CH4

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What is the chemical symbol for potassium?

A. K

B. P

C. Po

D. Ka

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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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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

Which planet is known as the Morning Star?

A. Venus

B. Mars

C. Mercury

D. Jupiter

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Who authored The Catcher in the Rye?

A. J.D. Salinger

B. F. Scott Fitzgerald

C. Ernest Hemingway

D. Mark Twain

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Which gas is known as the Greenhouse Gas responsible for climate change?

A. Carbon Dioxide

B. Nitrogen

C. Oxygen

D. Methane

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4

Who was the first President of the United States?

A. George Washington

B. Thomas Jefferson

C. Abraham Lincoln

D. John F. Kennedy

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4

Who was the first person to step on the moon?

A. Neil Armstrong

B. Buzz Aldrin

C. Yuri Gagarin

D. John Glenn

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4

Who wrote the play Hamlet?

A. William Shakespeare

B. Charles Dickens

C. Jane Austen

D. F. Scott Fitzgerald

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What is the chemical symbol for iron?

A. I

B. Fe

C. Ir

D. In

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4

What is the smallest prime number?

A. 0

B. 1

C. 2

D. 3

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What is the chemical symbol for silver iodide?

A. SiI

B. AgI

C. SiO

D. AI

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4

What is the chemical formula for table sugar?

A. C6H12O6

B. CH4

C. NaCl

D. C12H22O11

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4

What is the chemical formula for methane?

A. CH4

B. CO2

C. H2O

D. C6H12O6

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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