Question # 1

If Kc value is small then equilibrium position will shift

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Towards left

Remains unchanged

Towards right

lt is always constant value

Keratomalacia is caused due to the deficiency of vitamin:

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A

B

C

K

The percentage of SO₂ produced by volcanoes is:

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47%

57%

67%

77%

Which one of the following elements is not an alkali metal?

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Na

Sr

Cs

Rb

Which of the following has isomorphous structure with MgO

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NaF

S

Sn

N

One Joule is equivalent to

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4.184 cal.

0.4184cal.

1/2 cal.

1/4.184 cal

Second order of protein structure refers to

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Number and sequence of amino acids

Three dimensional structure of protein

Proteins formed of more than one monomer

Bending of protein molecule

Cholesterol is a precursor of steroid hormones. Choose the class of steroid

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A carbohydrate

A hydrocarbon

A natural lipid

A protein a hydrocarbon

Optimum PH for enzyme pepsin is

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01

2

05

6.5

To measure the true pressure of a gas collected over water, the pressure due to water vapoure is:

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added to the total pressure

multiplied to the total pressure

divided by the total pressure

subtracted form the total pressure

The process of effusion is best understood by law

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Grahams

Boyle s

Charles s

Avogadro s

Which of the following species has unpaired electrons in antibonding molecular orbitals

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In endothermic reaction, the heat content of the

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Products is more than that of reactants

Reactants is more than that of products

Both a and b

None of the above

The potassium fertilizers are preferred for horticulture, tobacco and potatones, which of the following is popular potassium fertilizer

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Potassium oxide

Potassium chloride

Potassium sulphate

Potassium nitrate

Bakelite is obtained from phenol by reacting with

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Acetaldehyde

Acetal

Formaldehyde

Chlorobenzene

Coal is obtained from dead remains of

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Plants

Animals

Both a and b

None

How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH₂OH

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1

2

3

4

Wohler succeeded in obtaining, urea from

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Cyanogen

Ammonium cyanate

Ammonium hydroxide

None of these

Catalytic oxidation of alkanes is used for the preparation of

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Adehydes

Fatty acid

Carbonyylic acids

Ketones

2SO₂ + O₂ ⇌ 2SO₂H= 188KJ mole^-1

Which statement about following equilibrium is correct :

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The value ofK_pfalls with arise in temperature.

The value ofK_pis equal tok_c.

The value ofK_pfalls with the increase pressure.

Adding V₂O₅ catalyst increase the equilibrium yield of Sulphur trioxide.

The bond order O₂molecule is

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1

2

3

Zero

The substance upon which an enzyme acts is known as its

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Domain

Field

Substrate

Reactant

More Classes

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