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Carbon and its Compounds - 06
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Q1. The first member of the alkyne homologous series is
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ethene
propyne
ethyne
methane
Q2. In diamond, each carbon atom is bonded to four other carbon atoms to form
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a structure of a ring
a hexagonal array
a rigid three-dimensional structure
a structure in the shape of a football
Q3. A soap molecule has a
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hydrophobic head and hydrophilic tail
hydrophobic head and hydrophobic tail
hydrophilic head and hydrophobic tail
hydrophilic head and hydrophilic tail
Q4. —CHO represents the functional group
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Ketone
Carboxylic acid
Alcohol
Aldehyde
Q5. A functional group mainly determines the
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chemical properties
both
none of these
physical properties
Q6. Solubility of alcohol in water is due to
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hydrogen bonding
volatile nature of alcohol
low density of alcohol
ionisation
Q7. Artificial flavour for orange is obtained from
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amyl acetate
methyl butyrate
octyl acetate
isoamyl valerate
Q8. Drinking alcohol is very harmful and it ruins the health. “Drinking alcohol” stands for
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drinking methyl alcohol
drinking propyl alcohol
drinking isopropyl alcohol
drinking ethyl alcohol
Q9. The difference in the formula and molecular masses of CH3OH and C2H5OH is
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CH3 and 16u
None of the above
CH2 and 14u
CH4 and 18u
Q10. Which of the following statements about graphite and diamond is true?
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They have the same crystal structure
They have the same degree of hardness
They can undergo the same chemical reactions
They have the same electrical conductivity
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