Question # 1

Runcid butter has

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Foul smell

Rotten egg smell

Pungent smell

No smell

75% atmosphere mass lies in how many kilometers.

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11 km

30 km

50 km

85 km

Which helps in lowering of cholesterol level?

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Vitamin

Fiber

Carbohydratres

All of them

Water dissolves non-ionic compound by

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Ion-ion forces

Ion-dipole forces

Dipole -dipole forces

Hydrogen bonding.

Carbohydrates are synthesized by plants through photosynthesis process which requires the following except.

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CO₂ and water.

Sunlight

O₂

Chlorophyll

Which disease cause when humans use water of industrial effuents.

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Cancer

Asthma

Jaundica

Cholera

Which one of the following cannot by hydrolyzed?

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Polysacchrides

Monosacchrides

Oligosacchrides

All of these

By which process alkenes are prepared from alcohols:

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Dehelogenation

Dehydrogenation

Dehydration

Dehydro-halogenation

The recombination of O and O₂ in mid stratosphere is an

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Exothermic reaction

Endothermic reaction

Heat absorbing process

None of these

99% of atmosphere consists of .

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N₂and H₂

N₂and O₂

N₂and CO₂

O₂and CO₂

conjugate base of HCl is:

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HCl^-

CH

Cl

NH₃

Which one of the following compounds is an aldehyde?

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CH₃-CH₂-OH

CH₃-COOH

CH₃CHO

CH₃COCH₃

Water dissolves Non-ionic compounds by:

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Ion-Ion forces

Dipole forces

Dipole - Dipole forces

Hydrogen Bonding

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