Question # 1

Which of the following species is used to formation of glycerol fatty acid from triglyceride

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NaOH

Ni

Lipase

All

Hydrogen bonding is not present in which of following compound?

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Ammonia

Ethanol

Ether

Water

Water is considered pollutant when value of Do is

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6 PPM

8 PPM

03 PPM

10 PPM

Tasteless sugars are:

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monosaccharides

trisaccharides

oligo saccharides

poly saccharides

Which of these are isomrophous to one another NaCl, NH₄Br, K₂CrO₄, K₂SO₄

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NaCl and NH₄Br both cubic

NH₄Br and K₂SO_{4 both tetragonal}

K₂CrO_{4 and}K₂SO₄orthorhombic

NaCl and K₂SO₄both rhobohedral

Which of the following gases shows more ideal behaviour at 0°C

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H₂

CH₄

He

NH₃

What will be the pH of 1.0 mol dm -3 of H2X, which is only 50% dissociated

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1

0

2

Less than 0

How should the conditions be changed to prevent the volume of a given gas from expanding when its mass increased?

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temperature and pressure both ara increased

temperature and pressure both are lowered

temperature is lowered and pressure is increased

temperature is increased and pressure is descreased

For better or worst we are living in society:

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wood

food

diseased

plastic

Which is not an enzyme

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Transverses

Lipase

Lyase

None of these

Fungicides are the pesticides which:

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Control the growth of fungus

Kills insects

Kills plants

Kill herb

The essential component of organic compound is

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O

C

P

N

The raw material to form nylon is

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Adipic acid

Butadiene

Isoprene

Ethylene

pH of 1 molar NaOH is

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7

zero

14

10

With increasing principle quantum number, the energy difference between adjacent energy levels in H atom

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Decreases

Increases

Remains constant

Decreases for low value of Z and increase for higher value of Z

The amount of solute present in the given amount of solvent is called

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Molarity

Molality

Concentration

Solubility

Polycyolic aromatic hydrocarbons are taught to be

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Disinfectant

Carcinogenic

Helpful

Reactive

Which element does not belong to 4d series

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Y

Zr

Mo

Zn

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Elimination Esterification

Elimination Isomerisation

Oxidation Exterification

Oxidation Oxidation

Which of the following is a not typical transition element

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Cr

Mn

Zn

Fe

Which bond shows maximum hydrogen bonding with water?

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CH₃OH

C₂H₅OH

CH₃----O----CH₃

C₆H₅OH

The saturated hydrocarbons usually end with suffix ______

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Ane

Ene

Yne

Oic

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