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Earn 100

Write the reaction between sodium oxide and carbon dioxide.

Important Questions on Carbon and its Compounds

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A solution used in testing carbon dioxide :
MEDIUM
Carbon dioxide with water changes
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Carbon dioxide is _____ in water. (soluble/insoluble)

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Identify the substance from the following which is non-combustible.
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Which of these is incorrect?

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Which of the following is not true for carbon dioxide?
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Give the formula of baking soda.
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Carbon dioxide turns _____ milky.
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Which one of the following is a combustible substance?
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On heating calcium carbonate strongly, _____ gas is produced. (carbon dioxide/oxygen/hydrogen)
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The milky appearance produced when carbon dioxide gas is passed through limewater. is due to the formation of

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Which of the following is not used to put out fire? 

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Fizzy drinks contain _____ gas.
MEDIUM
Identify the most useful product that formed during the reaction between potassium superoxide and carbon dioxide.
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Carbon dioxide gas turns moist blue litmus paper _____.

HARD
Solvay process is a method to manufacture
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_____ is the cheapest form of carbon. (Carbon dioxide / Diamond)
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_____ is prepared by action of dilute HCl on calcium carbonate. (Carbon dioxide/Carbon monoxide)

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Carbon dioxide gas turns lime water _____. (milky/clear)
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When dilute hydrochloric acid reacts with sodium carbonate, the gas liberated is