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8th ICSE
IMPORTANT
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Carbon dioxide gas turns moist blue litmus paper .

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Important Questions on Carbon and its Compounds

EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
_____ is the simplest hydrocarbon. (methane/ethane)
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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
Graphite is a _____ form of carbon. (Crystalline/Amorphous)
MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
In diamond, each carbon atom is bonded to _____ other carbon atoms. (four/three/two)
MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A

Diamond has a very _____ melting point. (high/low)

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8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
The lead of pencil is made by mixing clay with powdered _____. (charcoal/graphite/lead)
EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A

Coal and charcoal are _____ forms of carbon. (amorphous/crystalline)

EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
On heating calcium carbonate strongly, _____ gas is produced. (carbon dioxide/oxygen/hydrogen)
EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 9 - Carbon and its Compounds>TEST Yourself>Q A
Carbon dioxide gas turns lime water _____. (milky/clear)